Dinosaurs
Spinosaurus
Spinosaurus, meaning “Spine lizard,” is a genus of theropod dinosaur from the lower Albian to lower Cenomanian stages of the Mid Cretaceous Period (112 to 97 million years ago). It lived in what is now North Africa. The type species is S. aegyptiac...
Baryonyx
Baryonyx, meaning “heavy claw,” was a genus of carnivorous dinosaur from the Hauterivian to early Barremian stages of the Early Cretaceous Period (130-125 million years ago). It was first discovered in clay pits just south of Dorking, England, and ...
Saurolophus
Saurolophus, meaning “lizard crest,” is a genus of hadrosaurid dinosaur from the Late Cretaceous Period (70 million years ago) of what is now North America and Asia. It is one of the few genera of dinosaurs that is known from multiple continents. T...
Prosaurolophus
Prosaurolophus, meaning “before Saurolophus,” is a genus of hadrosaurid dinosaur from the Late Cretaceous Period (75 million years ago) of North America. It is known from the remains of at least 25 individuals belonging to two species. The first sp...
Sinosauropteryx
Sinosauropteryx, meaning “Chinese reptilian wing,” is a genus of theropod dinosaur from the Late Jurassic to the Early Cretaceous Period 135 to 121 million years ago. It was discovered in 1996 by two Chinese farmers in the dry countryside near Liao...
Microraptor
Microraptor, meaning “small thief,” is a genus of dromaeosaurid dinosaur from the Early Cretaceous Period (120 million years ago). This small, four-winged animal was first discovered in the Jiufotang Formation in Liaoning, China, with more than two...
Sauroposeidon
Sauroposeidon, meaning “earthquake god lizard,” is a genus of sauropods dinosaur from the Aptian and Albian ages of the Early Cretaceous Period (110 million years ago). It was discovered in the southeast region of Atoka County, Oklahoma, not far fr...
Rajasaurus
Rajasaurus, meaning “Kingly lizard,” is a genus of abelisaurian theropod dinosaur that lived on the land masses associated with the super-continent Gondwanaland. The first fossils were discovered by Suresh Srivastava from the Geological Survey of I...
Tyrannosaurus
Tyrannosaurus, meaning “tyrant lizard,” was a genus of theropod dinosaur from the Late Cretaceous Period (68 to 65 million years ago). It was among the last non-avian dinosaurs to exist prior to the Cretaceous-Tertiary extinction event. Perhaps the...
Massospondylus
Massospondylus, meaning “longer vertebrae,” is a genus of prosauropod dinosaur from the Hettangian to Pliensbachian ages of the Early Jurassic Period (200 to 183 million years ago). Massospondylus was discovered in 1853 by J.M. Orpen in the Upper E...
Abrosaurus
Abrosaurus, meaning “delicate lizard,” is a genus of sauropods dinosaur from the Bathonian to Callovian stages of the Middle Jurassic Period of what is now Asia (168 to 161 million years ago). It is one of many dinosaurs unearthed at the Dashanpu Q...
Majungasaurus
Majungasaurus, meaning “Mahajanga lizard,” is a genus of abelisaurid theropod dinosaur from the Late Cretaceous Period of what is now Madagascar (70 to 65.5 million years ago). The type species is M. crenatissimus. Majungasaurus was first descr...
Parasaurolophus
Parasaurolophus, meaning “near-crested lizard,” is a genus of ornithopod dinosaur from the Late Cretaceous Period of what is now North America (76 to 73 million years ago). This genus is based on a skull and partial skeleton missing most of the tai...
Psittacosaurus
Psittacosaurus, meaning “parrot lizard,” is a genus of ceratopsian dinosaur from the Early Cretaceous Period of what is now Asia (130 to 100 million years ago). It is the most species-rich dinosaur genus with nine to eleven recognized species from ...
Plateosaurus
Plateosaurus, meaning “Broadway lizard,” is a genus of plateosaurid dinosaur from the Late Triassic Period (216 to 199 million years ago), which lived in what is now Central and Northern Europe. It is a primitive sauropodomorph dinosaur. There are ...
Iguanodon
Iguanodon, meaning “Iguana tooth,” is a genus of ornithopod dinosaur known from the Kimmeridgian age of the Late Jurassic Period to the Cenomanian age of the Late Cretaceous Period. It lived in Asia, Europe and North America. Research in the early ...
Scelidosaurus
Scelidosaurus, meaning “limb lizard,” is a genus of herbivorous dinosaur from the Hettangian and Sinemurian stages of the Early Jurassic Period (208 to 194 million years ago). Its fossils have been discovered in both England and the United States -...
Sinornithosaurus
Sinornithosaurus, meaning “Chinese bird-lizard,” is a genus of feathered dromaeosaurid dinosaur from the early Aptian age of the Early Cretaceous Period (120 - 125 million years ago). It lived in what is now China and was the fifth non-avian feathe...
Protoceratops
Protoceratops, meaning “first horned face,” is a genus of herbivorous ceratopsian dinosaur from the Campanian stage of the Late Cretaceous Period (83 to 70 million years ago) in what is now Mongolia. The first specimen was discovered by photographe...
Torosaurus
Torosaurus, meaning “perforated lizard,” is a genus of ceratopsid dinosaur from the late Maastrichtian stage of the Late Cretaceous Period (70 to 65 million years ago). Torosaurus is often mis-referred to as “bull” (from the Latin word taurus) ...
Troodon
Troodon, meaning “wounding tooth,” is a genus of bird-like dinosaur from the Late Cretaceous Period (76 to 65 million years ago). Troodon was discovered in 1855 in North America and was one of the first dinosaurs found there. Fossils of this specim...
Diplodocus
Diplodocus, meaning “double beam,” is a genus of diplodocid sauropod dinosaur from the Late Jurassic Period of what is now western North America (about 150 million years ago). The first fossils of this dinosaur were discovered in 1877 by S.W. Willi...
Irritator
Irritator lived during the Albian stage of the Cretaceous Period around 110 million years ago and is a genus of spinosaurid dinosaur. It was estimated to be about 26 feet long with an unusually shaped crest at the rear of its head. According to researc...
Gryposaurus
Gryposaurus, meaning "hooked-nosed lizard," is a genus of duckbilled dinosaur from the late Santonian to late Campanian stages of the Late Cretaceous Period (83 to 75.5 million years ago). It lived in what is now North America. It is known from the Din...
Tianyuraptor
Tianyuraptor, meaning "Tianyu thief," is a genus of dromaeosaurid dinosaur from the Barremian and Aptian stages of the Early Cretaceous Period (129 to 122 million years ago). It was discovered in western Liaoning, China in the Dawangzhangzi Bed of the ...
Sinocalliopteryx
Sinocalliopteryx, meaning "Chinese beautiful feather," is a genus of compsognathid dinosaur from the Early Cretaceous Period (124.6 million years ago) from China. It was recovered from the Jianshangou beds of the Yixian Formation. The type species, S. ...
Tianyulong
Tianyulong, meaning "Tianyu dragon," is a genus of heterodontosaurid ornithischian dinosaur from the Late Jurassic Period (155 million years ago). It's fossils were recovered from the Tiaojishan Formation in Jianchang County, Western Liaoning Province,...
Siamosaurus
Siamosaurus, meaning "Siamese lizard," is a genus of theropod dinosaur from the Early Cretaceous Period of what is now Thailand. Little is known about this Cretaceous carnivore, but it is known from teeth that closely resemble the Spinosaurus, that it ...
Yunnanosaurus
Yunnanosaurus, meaning "Yunnan lizard," is a genus of prosauropod dinosaur from the Early to Mid Jurassic Period. This was perhaps one of the last living prosauropods of the time. It was discovered by Yang Zhongjian in the Lufeng Formation of Yunnan, C...
Segnosaurus
Segnosaurus, meaning "slow lizard," is a genus of therizinosaurid theropod dinosaur from the Cenomanian to Turonian stages of the Late Cretaceous Period. The type species, S. galinensis, was described in 1979 by Dr. A. Perle. It is known from three spe...
Yinlong
Yinlong, meaning "hidden dragon," is a genus of ceratopsian dinosaur from the Late Jurassic Period of what is now central Asia. A team of American and Chinese paleontologists -- Xu Xing, Catherine Forster, Jim Clark, and Mo Jinyou -- described and name...
Zuniceratops
Zuniceratops, meaning "Zuni-horned face," is a genus of ceratopsian dinosaur from the mid-Turonian age of the Late Cretaceous Period of what is now New Mexico. It was discovered in 1996 by eight-year-old Christopher James Wolfe, son of paleontologist D...
Wuerhosaurus
Wuerhosaurus is a genus of stegosaurid dinosaur from the Early Cretaceous Period of what is now China. It was one of the last genera of stegosaurs known to survive, since most others died out during the Late Jurassic Period. The type species, W. ho...
Wintonotitan
Wintonotitan, meaning "Winton titan," is a genus of titanosauriform dinosaur from the late Albian age of the of the Early Cretaceous Period. It was discovered 37 miles northwest of Winton, Australia -- for which its named. The type specimen is known fr...
Staurikosaurus
Staurikosaurus, meaning "Southern Cross lizard," is a genus of dinosaur from the Carnian age of the Late Triassic Period (225 million years ago). The first known specimen was recovered from the paleontological site Jazigo Cinco of the Santa Maria Forma...
Spinophorosaurus
Spinophorosaurus, meaning "spine-bearing lizard," is a genus of early sauropod dinosaur from the Mid Jurassic Period or possibly earlier. It was discovered in a rock formation in Niger, belonging to the lower part of the Irhazer Group. The specimen is ...
Scutellosaurus
Scutellosaurus, meaning "little-shielded lizard," is a genus of herbivorous dinosaur from the Early Jurassic Period of what is now North America (200 to 196 million years ago). It is classified in the sub-order Thyreophora, which include armored dinosa...
Scipionyx
Scipionyx, meaning "Scipio's claw," and named after Scipione Breislak, is a genus of theropod dinosaur from the Early Cretaceous Period of what is now Italy (113 million years ago). It was discovered in 1981 by amateur paleontologist Giovanni Todesco n...
Tarchia
Tarchia, meaning "brainy one," is a genus of ankylosaurid dinosaur from the Campanian-Maastrichtian stages of the Late Cretaceous Period of what is now Mongolia. It was taken from the Barun Goyot Formation (previously called the "˜Lower Nemegt Beds"˜...
Tanycolagreus
Tanycolagreus, meaning "long-limbed hunter," is a genus of dinosaur from the Oxfordian-Tithonian stages of the Late Jurassic Period of what is now North America. The holotype was discovered in the Bone Cabin Quarry in Albany County, Wyoming, in the Mor...
Utahraptor
Utahraptor, meaning "Utah's predator," is a genus of theropod dinosaur from the upper Barremian stage of the early Cretaceous Period (approximately 126 million years ago). Utahraptor was discovered by James Kirkland, Robert Gaston, and Donald Burge in ...
Unenlagia
Unenlagia, meaning "half-bird," is a genus of theropod dinosaur from the Late Cretaceous Period, and lived in what is now South America. It was a member of the extremely bird-like Gondwanan sub-family dromaeosaurs called unenlagiines, and was closely r...
Qiaowanlong
Qiaowanlong is a genus of sauropod dinosaur from the Albian stage of the Early Cretaceous Period (100 million years ago). It was discovered in the Yujinzi Basin of Gansu, China in 2007. It came from the geological formation called the Xinminpu Group. ...
Saurornitholestes
Saurornitholestes, meaning "lizard-bird thief," is a genus of dromaeosaurids dinosaur from the Campanian stage of the Late Cretaceous Period (75 million years ago) of what is now Alberta, Canada. It was discovered in the badlands of Dinosaur Provincial...
Unaysaurus
Unaysaurus, meaning "black water lizard," is a genus of sauropodomorph dinosaur from the Carnian to Norian ages of the Late Triassic Period (225 to 200 million years ago). It was discovered in southern Brazil, which at that time was connected to northw...
Ultrasaurus
Ultrasaurus, meaning "Ultra lizard," is a genus of sauropod dinosaur from the Aptian and Albian stages of the Early Cretaceous Period (110 to 100 mya). It was discovered by Haang Mook Kim in South Korea. It is known from part of an upper forearm and so...
Sinraptor
Sinraptor, meaning "Chinese thief," is a genus of theropod dinosaur from the Late Jurassic Period. It was discovered by Philip J. Currie and Xian Zhao in the Shishugou Formation during an expedition to the northwestern Chinese desert in 1987. The t...
Sinornithoides
Sinornithoides, meaning "Chinese bird form," is a genus of theropod dinosaur from the Barremian stage of the Early Cretaceous Period (130 to 125 million years ago). The type species, S. youngi, was described in 1993 by Dale Russell and Dong Zhiming bas...
Protarchaeopteryx
Protarchaeopteryx, meaning "before Archaeopteryx," is a genus of feathered theropod dinosaur from the Aptian age of the Early Cretaceous Period (124 million years ago). It was found in the Jianshangou bed of the Yixian Formation in what is now China. I...
Tuojiangosaurus
Tuojiangosaurus, meaning "Tuo River lizard," is a genus of stegosaurid dinosaur from the Late Jurassic Period. It was found in the Upper Shaximiao Formation of what is now Sichuan Province, China. The type species, T. multispinus (which is also the onl...
Sonorasaurus
Sonorasaurus, meaning "Sonora lizard," is a genus of brachiosaurid dinosaur from the Albian to Cenomanian stages of the Mid Cretaceous Period (112 to 93 million years ago). Its name was derived from the Sonoran Desert in Arizona where its fossils were ...
Skorpiovenator
Skorpiovenator is a genus of abelisaurid theropod dinosaur from the Cenomanian Stage of the Late Cretaceous Period of Argentina (about 93 million years ago). It was discovered in the lower part of the Huincul Formation in Patagonia. The type specimen, ...
Tethyshadros
Tethyshadros, meaning "Tethys ocean thick lizard," is a genus of hadrosaurid dinosaur from the Campanian-Maastrichtian ages of the Late Cretaceous Period (71 - 70 million years ago) from Italy. It was named and described by Italian paleontologist Fabio...
Telmatosaurus
Telmatosaurus, meaning "marsh lizard," is a genus of hadrosaurid dinosaur from the Late Cretaceous Period found in what is now Romania. The type species, T. transylvanicus, was described in 1899 by Franz Nopcsa von Felső-Szilvás. He initially d...
Theiophytalia
Theiophytalia, meaning "divine garden of the gods," is a genus of dinosaur from the Early Cretaceous Period and lived in what is now Colorado. "˜Garden of the Gods' is a park near Colorado Springs, Colorado, where a partial skull was found in 1878. It...
Thecodontosaurus
Thecodontosaurus, meaning "socket-tooth lizard," is a genus of sauropodomorph dinosaur from the Norian or Rhaetian age of the Late Triassic Period. Known mainly from "fissure fillings" found in South England and Wales, the original remains were destroy...
Tsintaosaurus
Tsintaosaurus, meaning "Qingdao lizard," is a genus of hadrosaurid dinosaur from the Late Cretaceous Period (83 to 71 million years ago). It lived in Southeast Asia, in what today is Shanong, located in southern China. The type species, T. spinorhinus,...
Tsaagan
Tsaagan, meaning "white," is a genus of dromaeosaurid dinosaur from the Late Cretaceous Period and lived in what is now Mongolia. It was discovered in the Djadokhta Formation. Tsaagan is known from a well-preserved skull and several neck vertebrae. It ...
Rubeosaurus
Rubeosaurus is a genus of ceratopsian dinosaur from the Two Medicine Formation of the Upper Cretaceous Period (75 to 74 million years ago). It lived in what is now North American and its fossils were discovered in Montana. The type species is R. ovatus...
Shantungosaurus
Shantungosaurus, meaning "Shandong lizard," is a genus of flat-headed hadrosaurid dinosaur from the Wangshi Formation of the Late Cretaceous Period. It was discovered in 1964 in Shandong Peninsula, China. Based on material collected to date, it is very...
Seitaad
Seitaad, derived from a Navajo legend of a san monster with the same name -- "Seit'aad," is a genus of prosauropod dinosaur from the Early Jurassic Period. The type species, S. ruessi, was described in 2010 based on fossils recovered from the Navajo Sa...
Torvosaurus
Torvosaurus, meaning "savage lizard," is a genus of large theropod dinosaur from the late Kimmeridgian to early Tithonian stage of the Late Jurassic Period. Fossils of Torvosaurus have been found in North America and Portugal. It was first discovered b...
Tianzhenosaurus
Tianzhenosaurus, meaning "Tianzhen lizard," is a genus of ankylosaurid dinosaur from the Late Cretaceous Period. It was discovered in Tianzhen County, near Zhaojiagou Village, in Shanxi Province, China, in the Huiquanpu Formation. It is known from a ne...
Santanaraptor
Santanaraptor, meaning "Santana Formation thief", is a genus of theropod dinosaur from the Albian or Aptian stage of the Early Cretaceous Period (108 million years ago). It lived in what is now South America. When first discovered, Santanaraptor was th...
Saichania
Saichania, meaning "beautiful one", is a genus of ankylosaurid dinosaur from the Late Cretaceous Period. It was discovered in the Barun Goyot Formation in the Nemegt Basin, southern Mongolia. The type species is S. chulsanensis. Saichania was descr...
Tawa
Tawa, named after the Hopi word for the Puebloan sun god, is a genus of theropod dinosaur from the Late Triassic Period (215-213 million years ago). A partial skeleton was discovered in 2004 and two nearly complete skeletons were excavated in 2006 from...
Tastavinsaurus
Tastavinsaurus, meaning "Tastavins River lizard," is a genus of sauropod dinosaur from the Early Cretaceous Period of what is now Spain. It belongs to the family Titanosauriformes, which is one of the largest sauropod groups, and also contains most of ...
Variraptor
Variraptor, meaning " Var river thief," is a genus of theropod dinosaur from the Campania-Maastrichtian ages of the Late Cretaceous Period (65-80 million years ago). It was named after the Var River in the Alpes-Maritimes Department in the Provence reg...
Xiongguanlong
Xiongguanlong, named after the city of Jiayuguan in northwestern China, is a genus of tyrannosauroid dinosaur from the Aptian to Albian ages of the Early Cretaceous Period (100 to 125 million years ago). The type species, X. baimoensis, was describ...
Vulcanodon
Vulcanodon, meaning "volcano tooth," is a genus of sauropod dinosaur from the Early Jurassic Period. Its name is derived from the first fossils found with a tooth sandwiched between volcanic lava flows. The type species, V. karibaensis, was described b...
Velafrons
Velafrons, meaning "sailed forehead," is a genus of hadrosaurid dinosaur from the Late Cretaceous Period of what is now Mexico. It was discovered in Rincon Colorado, Coahuila, Mexico in the Cerro del Pueblo Formation of the late Campanian age dating to...
Yangchuanosaurus
Yangchuanosaurus is a genus of theropod dinosaur from the Oxfordian (and possibly Kimmeridgian) stage of the Late Jurassic Period, and comes from the Upper Shaximiao Formation. A nearly complete skeleton was discovered in June 1977 by a construction wo...
Zalmoxes
Zalmoxes, named after the Dacian deity Zalmoxis, is a genus of dinosaur from the Late Cretaceous Period. This dinosaur is classified as a rhabdodontid iguanodont. Zalmoxes is a herbivorous dinosaur. The type species is Z. robustus. A second describ...
Zanabazar
Zanabazar is a genus of troodontid dinosaur from the Late Cretaceous Period of Mongolia. Fossils from this creature have been found in the Nemegt Formation in Mongolia. Zanabazar was originally classified as a new species of the genus Saurornithoid...
Hesperosaurus
Hesperosaurus, meaning "western lizard," is a genus of herbivorous dinosaur from the Kimmeridgian and Tithonian stages of the Late Jurassic Period (150 million years ago). It was discovered in the US state Wyoming in the Morrison Formation. Hespero...
Hesperonychus
Hesperonychus, meaning "west claw," is a genus of small dromaeosaurid dinosaur from the Campanian stage of the Late Cretaceous Period (75 million years ago). There is one described species, H. elizabethae, which was named in honor of Dr. Elizabeth Nich...
Probactrosaurus
Probactrosaurus, meaning "before Bactrosaurus", is a genus of early hadrosaurid iguanodont dinosaur from the Early Cretaceous Period. It lived in what is now China. The type species, P. gobiensis, was described in 1966 by A.K. Rozhdestvensky. This ...
Prenoceratops
Prenoceratops, meaning "prone-horned face", is a genus of ceratopsian dinosaur from the Campanian stage of the Late Cretaceous Period (83 to 74 million years ago. Its fossils have been discovered in the Two Medicine Formation in the US state of Montana...
Jingshanosaurus
Jingshanosaurus, meaning "Jingshan lizard", is a genus of prosauropod dinosaur from the Early Jurassic Period. A nearly complete skeleton, including the skull, was found near the town of Jingshan, Lufeng County, Yunnan Province, China. The name from wh...
Jinfengopteryx
Jinfengopteryx, meaning "Golden phoenix feather", is a genus of maniraptoran dinosaur from the Early Cretaceous or Late Jurassic Period. It was found in the Qiaotou Formation of Hebei Province, China. The age of the specimen is uncertain as the formati...
Rugops
Rugops, meaning "wrinkle face", was a genus of theropod dinosaur from the Cenomanian stage of the Late Cretaceous Period (95 million years ago). It inhabited what is now Africa. The skull of the Rugops was found in Niger in 2000 and was a critical brea...
Qiaowanlong
Qiaowanlong was a genus of sauropod dinosaur from the Albian stage of the Early Cretaceous Period (100 million years ago). It was discovered in 2007 in the Yujinzi Basin of Gansu, China. It was first described in 2009 in the Proceedings of the Royal So...
Pyroraptor
Pyroraptor was a genus of dromaeosaurid dinosaur from the late Cretaceous Period of France. It existed during the late Campanian and early Maastrichtian stages, about 70 million years ago. It is known from a single specimen. It was discovered in 19...
Pedopenna
Pedopenna, meaning "foot feather", is a genus of feathered maniraptoran dinosaur from the Callovian age of the Middle Jurassic Period. The Daohugou Beds in China, where the dinosaur was found, have been under debate about the age of the formation. The ...
Patagosaurus
Patagosaurus, meaning "Patagonian lizard", is a genus of sauropod dinosaur from the Callovian age of the Middle Jurassic Period (163-161 million years ago). It lived in what is now Argentina. It would have shared the landscape at that time with dinosau...
Paralititan
Paralititan, meaning "near sea titan", is a genus of titanosaurian sauropod dinosaur from the Late Cretaceous Period of what is now Egypt. It was the discovered in the Bahariya Formation in 1935. The type species, P. stromeri, was named in 2001 to hono...
Aerosteon
Aerosteon, meaning "air bone", is a genus of theropod dinosaur from the Santonian age of the Late Cretaceous Period (84 million years ago). It lived in what is now Argentina. It was discovered in 1996 in the province of Mendoza. The type, and only know...
Adeopapposaurus
Adeopapposaurus, meaning "far eating lizard", is a genus of prosauropod dinosaur from the Early Jurassic Period. It was found in the Cañón del Colorado Formation of San Juan, Argentina. It was described in 2009 by Ricardo N. MartÃnez. The typ...
Adamantisaurus
Adamantisaurus, meaning "Adamantina lizard", is a genus of titanosaurian sauropod dinosaur from the Turonian-Maastrichtian stages of the Late Cretaceous Period (93 to 70 million years ago). It lived in what is now South America. It was discovered in th...
Ouranosaurus
Ouranosaurus, meaning "brave lizard", is a genus of hadrosaurid dinosaur form the Aptian age of the Early Cretaceous Period (110 million years ago). It lived in what is now Africa. Two complete fossils were discovered in the Echkar Formation in Gadoufa...
Othnielosaurus
Othnielosaurus is a genus of ornithiscian dinosaur from the Late Jurassic Period (155 to 148 million years ago). It lived in what is now the western United States. It was formerly assigned to the genus Laosaurus. It is now named in honor of famed paleo...
Othnielia
Othnielia is a genus of hypsilophodont dinosaur from the Oxfordian-Tithonian age of the Late Jurassic Period. Several remains have been discovered in the Morrison Formation in the North American states of Wyoming, Utah and Colorado. But, according to r...
Oryctodromeus
Oryctodromeus, meaning "digging runner", is a genus of ornithopod dinosaur from the Cenomanian age of the Middle Cretaceous Period (95 million years ago). Its remains were found in rocks of the Blackleaf Formation of southeastern Montana. Oryctodro...
Orodromeus
Orodromeus is a genus of hypsilophodont dinosaur form the Campanian stage of the Late Cretaceous Period (75 million years ago). It lived in what is now North America in the state of Montana. The type species, O. makelai, was described by Horner and Wei...
Ornithomimus
Ornithomimus, meaning "bird mimic", is a genus of dinosaur from the Late Cretaceous Period of what is now North America. A partial foot and hand fossil was first discovered in the Maastrichtian Denver Formation. The type species was named O. velox. Mor...
Rhabdodon
Rhabdodon, meaning "fluted tooth", is a genus of dinosaur from the Late Cretaceous Period (70 million years ago) that lived in what is now Europe. It is unclear whether this animal was an iguanodont or a hypsilophodont. It may be a missing link between...
Rebbachisaurus
Rebbachisaurus is a genus of sauropod dinosaur from the Early Cretaceous Period (99 million years ago) that lived in what is now Africa. The discovery of this dinosaur, along with the Rayososaurus, a South American dinosaur nearly identical to Rebbachi...
Raptorex
Raptorex, meaning "robber king", is a genus of tyrannosaurid dinosaur from the Early Cretaceous Period (125 million years ago). It lived in what is now China. It was discovered in the Yixian Formation in northeastern China. The type species, R. kriegst...
Riojasaurus
Riojasaurus, meaning "Rioja lizard", is a genus of prosauropod dinosaur from the Late Triassic Period. It lived in what is now South America. The initial discovery lacked a skull, but a later discovery of another specimen had a well-preserved skull. Th...
Rinconsaurus
Rinconsaurus is a genus of sauropod dinosaur from the Late Cretaceous Period. It lived in what is now Argentina. It was discovered in 1997 in the Neuquen province of Argentina. It was described by Calvo and Riga in 2003, based on three incomplete skele...
Rinchenia
Rinchenia is a genus of oviraptorid dinosaur from the Late Cretaceous Period. It is only known by one species, R. mongoliensis. This specimen was originally named as an Oviraptor in 1986 by Rinchen Barsbold, but after further studies in 1997 by Barsbol...
Montanoceratops
Montanoceratops, meaning "Montana horned face", is a genus of ceratopsian dinosaur from the Maastrichtian age of the Late Cretaceous Period. It was discovered around 1916 by Barnum Brown at Buffalo Lake, Montana, USA in the St Mary River Formation. It ...
Mononykus
Mononykus, meaning "one claw", is a genus of theropod dinosaur from the Late Cretaceous Period (70 Million Years Ago). It was discovered in the Nemegt Formation in Mongolia. The remains of the first discovered specimen consist of a partial skeleton lac...
Labocania
Labocania, meaning "red lips"(named for the La Bocana Roja Formation), is a genus of theropod dinosaur from the Campanian age of the Late Cretaceous Period (70 million years ago). It lived in what is now Baja California, Mexico. The type species, L. an...
Kryptops
Kryptops, meaning "covered face", is a genus of theropod dinosaur from the Aptian-Albanian age of the Early Cretaceous Period of what is now Niger. It is known from a partial skeleton found in the western Ténéré Desert in the Elrhaz Formation...
Kritosaurus
Kritosaurus, meaning "separated lizard" (sometimes misinterpreted as "noble lizard"), is a genus of duckbilled dinosaur from the Late Cretaceous Period (73 million years ago). It lived, possibly, in both North and South America. It was discovered in 19...
Altirhinus
Altirhinus, meaning "˜high snout', is a genus of iguanodontian ornithopod dinosaur from the Early Cretaceous Period (125 to 100 million years ago) of Mongolia. It is known from one species (A. kurzanovi), which honors Russian paleontologist Sergei Kur...
Alioramus
Alioramus, meaning "˜different branch', is a genus of theropod dinosaur from the Late Cretaceous Period (70 to 65 million years ago) from what is now Asia. It is known from a partial skull and three metatarsals (foot bones). It was discovered in the G...
Monolophosaurus
Monolophosaurus, meaning "single-crested lizard", is a genus of carnosaurian dinosaur from the Middle Jurassic Period (170 million years ago) that lived in what is now China. It was named for the single crest on top of its skull. The remains were dug u...
Alaskacephale
Alaskacephale is a genus of dinosaur from the late Campanian stage of the Late Cretaceous Period (80 to 70 million years ago). It was first described by Roland Gangloff and colleagues as an unnamed pachycephalosaurid, possibly a Pachycephalosaurus, but...
Nothronychus
Nothronychus, meaning "slothful claw", is a genus of dinosaur from the mid-Turonian age of the Late Cretaceous Period (91 million years ago). It was discovered in the Moreno Hill Formation in the Zuni Basin, on the border of New Mexico and Arizona. The...
Nomingia
Nomingia is a genus of theropod dinosaur from the Late Cretaceous Period. It was discovered in the Bugin Tsav Beds around the Gobi Desert. It is named for the Nomingiin Gobi, which is part of the nearby Gobi Desert. It was described in 2000 based on se...
Nodosaurus
Nodosaurus, meaning "knobbed lizard", is a genus of ankylosaurid dinosaur from the Late Cretaceous Period that lived in what is now North America. Two specimens have been discovered in Wyoming and Kansas. Neither specimen had a skull. It is one of the ...
Maiasaura
Maiasaura, meaning "good mother lizard", is a genus of dinosaur from the Campanian age of the Upper Cretaceous Period (74 million years ago). It lived in what is now the state of Montana in the United States. It was discovered by paleontologist Jack Ho...
Mahakala
Mahakala is a genus of dinosaur from the Campanian age (80 million years ago) of the Upper Cretaceous Period. It was found in the Djadokhta Formation of Mongolia. It is known from a partial skeleton found in the Gobi Desert. Mahakala is named for one o...
Magnosaurus
Magnosaurus is a genus of tetanuran theropod dinosaur from the Middle Jurassic Period of England. It was named in 1923 by Friedrich von Huene from a partial skeleton found in Sherborne, in Dorset, England. Magnosaurus is often mixed up with the similar...
Mapusaurus
Mapusaurus, meaning "earth lizard", is a genus of carnosaurian dinosaur from the Late Cretaceous Period and lived in what is now Argentina. Its remains were discovered in a fossil bed containing at least seven individuals of different life stages. This...
Mantellisaurus
Mantellisaurus is a genus of dinosaur from the Early Cretaceous Period and lived in what is now England. It was discovered by Reginald Hooley in 1917 and was formerly known as a species of Iguanodon, but eventually given its own genus by Gregory Paul i...
Mamenchisaurus
Mamenchisaurus, meaning "Mamenchi lizard" (from the Chinese words ma: "horse", men: "gate", and chi: "brook"), is a genus of dinosaur from the Tithonian age of the Late Jurassic Period (150 to 145 million years ago). It was first discovered in 1952 on...
Kentrosaurus
Kentrosaurus, meaning "pointed lizard", is a genus of stegosaur dinosaur from the Late Jurassic Period of what is now Tanzania. It is related to the better known Stegosaurus of North America. It was discovered in the Tendaguru Formation from the Kimmer...
Maxakalisaurus
Maxakalisaurus, named for the tribe of Maxakali, is a genus of titanosaurid dinosaur from the Late Cretaceous Period (80 million years ago). It was found in Brazil, 28 miles from the city of Prata in 1998. It was closely related to the sauropod Saltasa...
Masiakasaurus
Masiakasaurus, meaning "vicious lizard", is a genus of theropod dinosaur from the Late Cretaceous Period (70 million years ago), and possibly existed until the end of the dinosaur reign (66 million years ago). The type species, M. knopfleri, was named ...
Melanorosaurus
Melanorosaurus, meaning "Black Mountain Lizard", is a genus of sauropod dinosaur from the Late Triassic Period. It was discovered in the Elliot Formation on the northern slope of Thaba 'Nyama (Black Mountain) in Transkei, South Africa. The type specie...
Megaraptor
Megaraptor, meaning "giant thief", is a genus of dinosaur from the Late Cretaceous Period that lived in what is now Argentina. This was one of the largest carnivorous dinosaurs of all time, and once believed to be the largest dromaeosaur ever found. Af...
Lurdusaurus
Lurdusaurus, meaning "weighty lizard", is a genus of ornithopod dinosaur from the Aptian age of the Early Cretaceous Period (121 to 112 mya). It was discovered in Niger. The type species, L. arenatus, was named by Taquet and Russell in 1999. This w...
Lufengosauru
Lufengosaurus, meaning "Lufeng lizard", is a genus of sauropod dinosaur from the Early and Middle Jurassic Period of what is now southwestern China. It was named by C. C. Young in 1941. The type species, L. huenei, was discovered in the Lower Lufeng Fo...
Lourinhanosaurus
Lourinhanosaurus, meaning "Lourinhã lizard" (from the Lourinhã Formation), is a genus of dinosaur from the Kimmeridgian/Tithonian age of the Late Jurassic Period. It was first discovered in Portugal in 1982, but was not described until 1998 by Po...
Megapnosaurus
Megapnosaurus, meaning "big dead lizard", is a genus of theropod dinosaur from the Early Jurassic Period. It was named originally named Syntarsus in 1969, but since that name was taken by a beetle described in 1869, the name was changed to Megapnosauru...
Miragaia
Miragaia, named for the area in which it was found (Miragaia, Portugal), is a genus of stegosaurid dinosaur from the Late Jurassic Period (approximately 150 million years ago). A fairly complete half skeleton and partial skull were discovered. It was d...
Alamosaurus
Alamosaurus, meaning "Alamo lizard", is a genus of titanosaurian sauropod dinosaur from the Late Cretaceous Period of North America. Despite popular belief, this dinosaur was not named after the Alamo in San Antonio, Texas, or the battle that took plac...
Minotaurasaurus
Minotaurasaurus, meaning "man-bull reptile", is a genus of ankylosaurid dinosaur from the Late Cretaceous Period. It was named by Clifford A. Miles and Clark J. Miles in 2009. It was purchased by Vilayanur S. Ramachandran for $10,000 and made availabl...
Agustinia
Agustinia is a genus of sauropod dinosaur from the late Aptian to Albian ages of the Early Cretaceous Period (116 to 100 million years ago) that lived in what is now South America. It was discovered in the Lohan Cura Formation of Neuquen Province, Arge...
Minmi
Minmi, named for the area it was found (Minmi Crossing, Australia), is a genus of ankylosaurian dinosaur from the Early Cretaceous Period (119 to 113 million years ago). It was described by Ralph Molnar in 1980. The type species is M. paravertebra. Thi...
Agnosphitys
Agnosphitys, meaning "unknown begetter", is a genus of dinosaur from the Norian and Rhaetian ages of the Late Triassic Period. The only species known is A. cromhallensis. It was described in 2002 by Fraser, Padian, Walkden and Davis. A partial skeleton...
Agilisaurus
Agilisaurus, meaning "Agile lizard", is a genus of dinosaur from the Middle Jurassic Period of what is now eastern Asia. It was first discovered during the construction of the Zigong Dinosaur Museum, in which it is now housed. There is one named specie...
Afrovenator
Afrovenator, meaning "African hunter" is a genus of theropod dinosaur from the Early Cretaceous Period (136 to 125 million years ago) that lived in northern Africa. Its remains were discovered in Niger in the Tiourarén Formation. It is known from a ...
Guanlong
Guanlong, meaning "crown dragon" is a genus of tyrannosaurid dinosaur from the Oxfordian stage of the Late Jurassic Period (160 million years ago). It was discovered in the Dzungaria area of China by scientists from George Washington University, and na...
Juravenator
Juravenator is a genus of coelurosaurian dinosaur from the Late Jurassic Period (150 million years ago). It lived in what are now the Jura Mountains of Germany. It was discovered in 1998 by an amateur paleontologist in a lime pit near Eichstätt. The...
Graciliceratops
Graciliceratops, meaning "horned face", is a genus of ceratopsian dinosaur from the Late Cretaceous Period. It was first described by paleontologist Paul Sereno in 2000 based on a partial skeleton found in Mongolia. The only known species is G. mongoli...
Gorgosaurus
Gorgosaurus, meaning "fierce lizard", is a genus of tyrannosaurid theropod dinosaur from the Late Cretaceous Period (77 to 74 million years ago) that lived in what is now western North America. It has been discovered in Alberta, Canada and possibly Mon...
Ankylosaurus
Ankylosaurus, meaning "fused lizard", is a genus of dinosaur of the Late Cretaceous Period from western North America. This armored dinosaur is known by only partial discoveries. The only species known is A. magniventris. Ankylosaurus was named by Barn...
Jobaria
Jobaria is a genus of sauropod dinosaur from the Early Cretaceous Period (Aptian-Albian age). It was named after the "Jobar", a creature from local legends. It was discovered in the Sahara Desert in 1997, and is one of the most complete Cretaceous saur...
Limaysaurus
Limaysaurus is a genus of sauropod dinosaur from the Early Cretaceous Period of northwestern Patagonia. It is known from only a single species, L. tessonei, which was originally referred to the genus Rebbachisaurus. The holotype was discovered in 1988 ...
Agujaceratops
Agujaceratops, meaning "Horned face from Aguja", is a genus of ceratopsian dinosaur from the Campanian Age of the Late Cretaceous Period (83 to 70 million years ago). It was discovered in a bone bed from Big Bend National Park in 1938. This dinosaur wa...
Liliensternus
Liliensternus is a genus of dinosaur from the Late Triassic Period (215 to 200 million years ago). It was discovered in Germany in 1934 and named for the German scientist Dr. Hugo Rühle von Lilienstern. The type species is L. liliensterni. A second ...
Leptoceratops
Leptoceratops, meaning "lean-horned face", is a genus of dinosaur from the Late Cretaceous Period of what is now western North America. It was discovered in 1910 and described in 1914 by Barnum Brown. The fossils were unearthed in Red Deer Valley in Al...
Neovenator
Neovenator, or "New Hunter", is a genus of allosaur from the Barremian stage of the Early Cretaceous Period. It was discovered on the Isle of Wight, UK in 1978. It was almost 20 years before more bones of this genus were found. About 70% of the skeleto...
Nemegtomaia
Nemegtomaia, meaning "Nemegt mother", is a genus of oviraptoran dinosaur from the Late Cretaceous Period of what is now Mongolia. The type species, N. barsboldi, was described by a team of scientists in 2004. It was originally named Nemegtia, which was...
Nedoceratops
Nedoceratops, meaning "insufficient horned face", is a genus of ceratopsian dinosaur from the Late Cretaceous Period of North America. It is known from a single skull that has been poorly preserved. It was discovered in Wyoming and described in 1905 as...
Indosuchus
Indosuchus is a genus of abelisaurid dinosaur from the Maastrichtian era of the Late Cretaceous Period (70 to 65 million years ago). It was described in 1933 from remains found in India. Its name is derived from the Ancient Greek word for India: Indos,...
Hypsilophodon
Hypsilophodon, meaning "high-crested tooth", is a genus of ornithopod dinosaur from the Early Cretaceous Period of what is now Europe. It was discovered in 1849. It was first described as an Iguanodon and not until 1870, when T.H. Huxley studied it, wa...
Nanshiungosaurus
Nanshiungosaurus is a genus of dinosaur from the Late Cretaceous Period that lived in what is now China. There are two known species: N. brevispinus was discovered in the Yuanpu Formation and N. bohlini was discovered from the Xinminbao Group. Only par...
Hypselosaurus
Hypselosaurus, meaning "highest lizard", is a genus of dinosaur from the Late Cretaceous Period (Maastrichtian stage) of around 70 to 65 million years ago. It was described in 1869 by geologist Philippe Matherton. It lived in what is now Europe (mostly...
Mymoorapelta
Mymoorapelta, meaning "Shield of Mygatt-Moore", is a genus of ankylosaur dinosaur from the Late Jurassic Period (Kimmeridgian/Tithonian stages). It was found in the Morrison Formation of western Colorado. Partial remains of three separate skeletons hav...
Muttaburrasaurus
Muttaburrasaurus is a genus of ornithopod dinosaur from the Early Cretaceous Period (100 to 98 million years ago). It lived in what is now northeastern Australia. Besides the Minmi, it is Australia's most completely known dinosaur from fossilized remai...
Allosaurus
Allosaurus, meaning "different lizard", is a genus of theropod dinosaur from the Kimmeridgian/Tithonian age of the Late Jurassic Period (155 to 145 million years ago). It was first described in 1877 by Othniel Charles Marsh. The first recovered specime...
Styracosaurus
Styracosaurus, meaning "spiked lizard", is a genus of ceratopsian dinosaur from the Campanian age of the Late Cretaceous Period (76.5 to 75 million years ago). It was first discovered and collected in Alberta, Canada by C.M. Sternberg and was named by ...
Hongshanosaurus
Hongshanosaurus, meaning "Red Hill lizard", is a genus of ceratopsian dinosaur from the Early Cretaceous Period. It lived in what is now eastern Asia. The only species known is H. houi. The species name honors Hou Lianhai, a professor at the Institute...
Homalocephale
Homalocephale, meaning "even head", is a genus of dinosaur from the Late Cretaceous Period. It lived in what is now Mongolia, more than 80 million years ago. It was described in 1974 and consists of a single species. The type species is H. calathocerco...
Heterodontosaurus
Heterodontosaurus, meaning "different toothed lizard", is a genus of dinosaur from the Early Jurassic Period of what is now South Africa. The type species, H. tucki, was found in the Upper Elliot Formation of the Hettangian age (199 to 196 million year...
Harpymimus
Harpymimus, meaning "Harpies mimic", is a genus of dinosaur from the Early Cretaceous Period of what is now Mongolia. Only one species is known: H. oklandnikovi. It was found in the Shinekhudug Formation at Dundgov, Mongolia. Harpymimus possibly migrat...
Haplocanthosaurus
Haplocanthosaurus, meaning "simple sniped lizard", is a genus of sauropod dinosaur from the Late Jurassic Period (156 to 144 million years ago). It was found in the Kimmeridgian/Tithonian stages. The type species, H. priscus, was discovered by a young ...
Hadrosaurus
Hadrosaurus, meaning "sturdy lizard", is a genus of hadrosaurid dinosaur from the Late Cretaceous Era that lived in what is now North America. Only one species is known: H. foulkii. It was discovered by John Estaugh Hopkins in 1838 while digging in a m...
Leaellynasaura
Leaellynasaura is a genus of ornithopod dinosaur from the Early Cretaceous Period. It was discovered in Dinosaur Cove, Australia. It was considered an Australian polar dinosaur as Australia was well within the Antarctic Circle during this time period. ...
Lanzhousaurus
Lanzhousaurus is a genus of dinosaur from the Early Cretaceous Period. It was discovered in the Gansu region of China in 2005. The type species, L. magnidens, was described based on partial skeletal remains. Lanzhousaurus had very huge teeth, and p...
Lamplughsaura
Lamplughsaura is a genus of saurischian dinosaur from the Early Jurassic Period (Sinemurian age) of 196 to 190 million years ago. The type species is L. dharmaramensis. Several partial skeletons have been discovered. It was named after Pamela Lamplugh,...
Gojirasaurus
Gojirasaurus is a genus of dinosaur from the Late Triassic Period (220 to 209 million years ago) during the Norian age. It was discovered in Revuelto Creek, Quay County, New Mexico. It is named after Gojira (the Japanese name for Godzilla). The specime...
Gigantspinosaurus
Gigantspinosaurus, meaning "giant spined lizard", is a genus of stegosaur dinosaur from the Late Jurassic Period. It was found in the Upper Shaximiao Formation of Zigong, Sichuan, China. It is known from a partial skeleton missing most of the skull, hi...
Gigantoraptor
Gigantoraptor is a genus of large oviraptorosaur dinosaur from the Late Cretaceous Period (85 million years ago). It was discovered in 2005 in the Iren Dabasu Formation in the Erlian basin, Mongolia. It was discerned that this specimen was closely rela...
Giganotosaurus
Giganotosaurus, meaning "giant southern lizard", is a genus of dinosaur from the Late Cretaceous Period (98 to 96 million years ago). It thrived during the Cenomanian stage in what is now Argentina. The type species, G. carolinii, was named for Ruben C...
Genyodectes
Genyodectes, meaning "jaw biter", is a genus of theropod dinosaur from the Early Cretaceous Period (Aptian stage) of South America. It was collected from the Cañadón Grande, Departamento Paso de Indios in the Chubut Province of Argentina. The rem...
Gastonia
Gastonia is a genus of ankylosaurid dinosaur form the Early Cretaceous Period (25 million years ago) of North America. It was discovered in Grand County Utah and named in 1998 by James Kirkland. Its was named after Robert Gaston, whom discovered the ge...
Noasaurus
Noasaurus, or "Northwestern Argentina lizard", is a genus of carnivorous dinosaur from the Late Cretaceous Period (late Campanian-Maastrichtian age). It was discovered in Argentina by Jaime Powell and José Bonaparte. The type species, N. leali, was ...
Nipponosaurus
Nipponosaurus, meaning "Japanese lizard", is a genus of hadrosaurid dinosaur from the Late Cretaceous Period (late Santonian - early Campanian age). It was discovered in 1934 during the construction of a hospital on Karafuto Prefecture (now Sinegorsk, ...
Nigersaurus
Nigersaurus, meaning "Niger lizard", is a genus of diplodocoid dinosaur from the Middle Cretaceous Period (during the Aptian or Albian age between 119 to 99 million years ago). It was first described by Paul Sereno and his colleagues in 1999. It was di...
Gargoyleosaurus
Gargoyleosaurus, meaning "gargoyle lizard", is a genus of ankylosaurid dinosaur from the Late Jurassic Period (Kimmeridgian and Tithonian ages) and found in the Morrison Formation. It was discovered in 1996 at the Bone Cabin Quarry West in Albany Count...
Gallimimus
Gallimimus, meaning "fowl mimic", is a genus of dinosaur from the Late Cretaceous Period (Maastrichtian age) found in the Nemegt Formation in Mongolia. It was discovered in the early 1970s in the Gobi Desert and never shortly after its discovery. The o...
Fukuiraptor
Fukuiraptor is a carnivorous dinosaur from the Early Cretaceous Period (Barremian age) that lived in what is now Japan. It was first considered a member of the Dromaeosauridae family, but after an extensive study of the fossils, it was later placed as ...
Falcarius
Falcarius, meaning "sickle cutter", is a genus of dinosaur from the Early Cretaceous Period (130 to 125 mya). This therizinosaurid dinosaur was the first of its kind to be found in North America. The fossils were found in east-central Utah, USA in 2005...
Eustreptospondylus
Eustreptospondylus, meaning "well-curved vertebra", is a genus of megalosaurid dinosaur from the Middle Jurassic Period (165 to 161 mya). It was found in southern England, when Europe was a series of scattered island groups (due to tectonic movement wh...
Europasaurus
Europasaurus, meaning "lizard for Europe", is a genus of dinosaur from the Late Jurassic Period (Kimmeridgian age) found in northern Germany. It has been identified as an example of insular dwarfism resulting from isolation from other sauropod families...
Euoplocephalus
Euoplocephalus, meaning "well-armored head", is a genus of ankylosaurian dinosaur from the Late Cretaceous Period (Campanian-Maastrichtian age) of about 85 to 65 million years ago. It was discovered in 1902 by paleontologist Lawrence Morris Lambe. It w...
Eotyrannus
Eotyrannus or "early tyrant" is a genus of tyrannosaur theropod dinosaur from the Early Cretaceous Period. It was discovered in the Wessex Formation, on the southwest coast of the Isle of Wight, UK. The remains were officially described in 2001. Eo...
Edmontonia
Edmontonia is a genus of dinosaur from the Late Cretaceous Period. It was named after the formation where it was discovered (Edmonton Formation). This formation is now known as the Horseshoe Canyon Formation. The type species, E. longiceps, was discove...
Gasparinisaura
Gasparinisaura is a genus of dinosaur from the Late Cretaceous Period. It was discovered in Argentina. It was described under the type species G. cincosaltensis by Coria and Salgado in 1996. Originally assigned to the suborder iguanodont, recent studie...
Gasosaurus
Gasosaurus, meaning "Gas lizard" is a genus of tetanuran theropod dinosaur from the Middle Jurassic Period around 164 million years ago. It was discovered in Dashanpu, China in a quarry that was being dug out for the construction of a gas facility (hen...
Garudimimus
Garudimimus, meaning "Garuda mimic", is a genus of ornithomimosaur dinosaur from the Upper Cretaceous Period. It was found in sedimentary deposits in Bayshin Tsav, Mongolia. Garudimimus was about 13 feet in length and was possibly an omnivore. It i...
Deinocheirus
Deinocheirus, meaning "terrible hand", is a genus of theropod dinosaur from the Late Cretaceous Period that lived in what is now southern Mongolia. It was named by Halszka Osmólska and Ewa Roniewicz in 1970. The only species known is D. mirificus. R...
Datousaurus
Datousaurus, meaning "Chieftain lizard" or "Big-head lizard", is a genus of dinosaur from the Middle Jurassic Period. It was found in the Lower Shaximiao Formation in Dashanpu, China. It was named by Dong Zhiming and Tang in 1984, and the only species ...
Deltadromeus
Deltadromeus, meaning "delta runner", is a genus of theropod dinosaur from the Late Cretaceous Period (95 million years ago) that lived in what is now North Africa. It was first discovered in Morocco in 1995 by Gabrielle Lyon. Deltadromeus may actually...
Conchoraptor
Conchoraptor, meaning "conch thief", is a genus of oviraptorid dinosaur from the Late Cretaceous Period of what is now Asia. Its name is taken from the idea that oviraptoran dinosaurs may have been specialized at feeding on mollusks. It was first disco...
Dilophosaurus
Dilophosaurus, meaning "two-crested lizard", was a theropod dinosaur from the Early Jurassic Period (Pliensbachian stage). It was first described 1954, but it did not recieve its current genus name until years later. It is one of the earliest known the...
Dicraeosaurus
Dicraeosaurus, meaning "double-headed lizard, or two-forked lizard", is a genus of diplodocid dinosaur from the Late Jurassic Period. It was named for the spines on the back of its neck. It was discovered in rock bed on Tendaguru Hill in Tanzania. It w...
Diamantinasaurus
Diamantinasaurus, meaning "˜Diamantina River lizard', is a genus of titanosaurian dinosaur from the Early Cretaceous Period (late Albian age). It lived in Australia. Diamantinasaurus is known from a partial skeleton including a right shoulder blade, a...
Coelophysis
Coelophysis, meaning "˜hollow form' (in reference to its hollow bones), is a genus of dinosaur from the Late Triassic Period (Carnian and Norian stages). It lived in what is now the southwestern United States. Similar specimens have been found worldwi...
Claosaurus
Claosaurus, meaning "˜broken lizard', is a genus of hadrosaurid dinosaur from the Late Cretaceous Period (Santonian age). It got its name due to the odd display of its fossils in the bone bed, which appeared to be broken. It was first discovered near ...
Citipati
Citipati, meaning "funeral pyre lord", is a genus of theropod dinosaur from the Late Cretaceous Period of what is now Mongolia. It is known from the Djadokhta Formation in the Gobi Desert. It is one of the best known oviraptorids thanks to a number of ...
Dromaeosaurus
Dromaeosaurus, meaning "running lizard", is a genus of theropod dinosaur from the Late Cretaceous Period (middle Campanian age), that lived between 76.5 and 74.8 million years ago. It lived in what is now the western United States and Canada. This dino...
Dracorex
Dracorex, meaning "dragon king", is a genus of dinosaur from the Late Cretaceous Period of North America. The type species, D. hogwartsia, is known from one nearly complete skull and four cervical vertebrae. The remains were discovered in the Hell Cree...
Dollodon
Dollodon is a genus of ornithopod dinosaur from the Early Cretaceous Period of Europe. It lived in the Barremian and possibly early Aptian ages. Its remains have been found in Belgium, Germany and England. Once thought to be a species of Iguanodon, Dol...
Dryptosaurus
Dryptosaurus, meaning "tearing lizard", is a genus of primitive tyrannosaur dinosaur from the Late Cretaceous Period (Maastrichtian Age) and lived in what is now eastern North America. It was discovered in New Jersey by workers in a quarry. It was desc...
Dryosaurus
Dryosaurus, meaning "oak lizard" (named for the vague oak shape of its cheek teeth), is a genus of ornithopod dinosaur from the Late Jurassic Period. It was an Iguanodon. Its fossils have been found in the western United States and also in Tanzania and...
Dromiceiomimus
Dromiceiomimus, meaning "emu mimic", is a genus of bipedal dinosaur from the Late Cretaceous Period (80 to 65 million years ago). Its fossils were discovered in the 1920s. This dinosaur was initially given the name Struthiomimus brevitertius and S. sam...
Dacentrurus
Dacentrurus, meaning "very sharp tail", is a genus of stegosaur dinosaur from the Late Jurassic Period (154 to 150 million years ago). It was described by Richard Owen in 1875 as Omosaurus armatus. It was the first stegosaur to be discovered. Its genus...
Cryolophosaurus
Cryolophosaurus, meaning "cold crest lizard", is a genus of theropod dinosaur from the Early Jurassic Period (Pliensbachian Age). It is known from the Hanson Formation (previously known as the Upper Falla Formation). It was discovered by paleontologist...
Corythosaurus
Originally, this dinosaur had seven known subspecies. All of them were studied extensively in 1975 by Peter Dodson, who studied the differences between the skulls and the crests of different types of dinosaurs. He found that differences in size and sha...
Chungkingosaurus
Chungkingosaurus, meaning "Chongqing lizard", is a genus of stegosaur dinosaur from the Late Jurassic Period. It is located in the Upper Shaximiao Formation in what is now China. The type species, C. jiangbeiensis, was found near Chongqing, China in 19...
Chirostenotes
Chirostenotes, meaning "narrow-handed", was an oviraptorosaur dinosaur from the Late Cretaceous Period (80 million years ago). It lived in what is now Alberta, Canada. This dinosaur has had a confusing history. It was first given the name Chirostenotes...
Chialingosaurus
Chialingosaurus, meaning "Chialing lizard", is a genus of stegosaur dinosaur from the Late Jurassic Period of China. It was discovered in the Upper Shaximiao Formation. It is one of the oldest genera of stegosaur dating back 160 million years ago. Its ...
Chasmosaurus
Chasmosaurus, meaning "opening lizard", is a genus of ceratopsian dinosaur from the Upper Cretaceous Period of North America. Its name derives from the Greek chasma: "opening" and sauros: "lizard". The word chasma refers to the large openings in its fr...
Charonosaurus
Charonosaurus or "Charon's lizard" is a genus of dinosaur from the Late Cretaceous Period, possibly living right to the very end of the Cretaceous Period when dinosaurs became extinct. It was discovered by Godefroit, Zan and Jin in 2000 on the south ba...
Cetiosaurus
Cetiosaurus, meaning "whale lizard" (from the Greek cetus: "˜whale' and saurus: "˜lizard'), is a genus of sauropod dinosaur from the Mid to Late Jurassic Period (181 - 169 million years ago). It thrived in what is now Europe and Africa. It was the fi...
Ceratosaurus
Ceratosaurus, meaning "horn lizard", is a genus of large predatory dinosaur from the Late Jurassic Period (Tithonian and Kimmeridgian ages). It is found in the Morrison Formation of North America, Tanzania and Portugal. It was discovered in the Clevela...
Ceratonykus
Ceratonykus is a genus of theropod dinosaur from the Late Cretaceous Period and lived in what is now Mongolia. It is only known from a single fragmented skeleton. Once suggested as an avian dinosaur, this classification is now debated. Studies of the s...
Cerasinops
Cerasinops, meaning "horned face", is a genus of small ceratopsian dinosaur from the Late Cretaceous Period (Campanian age). It was discovered in the Two Medicine Formation in Montana. It was named and described by Brenda Chinnery and Jack Horner in 20...
Caudipteryx
Caudipteryx, meaning "tail feather", is a genus of small theropod dinosaur that lived during the Aptian Age of the Early Cretaceous Period (124 million years ago). There are two species known, C. zoui (described 1998) and C. dongi. (described 2000). It...
Carnotaurus
Carnotaurus, meaning "meat-eating bull", is a genus of dinosaur from the Late Cretaceous Period which lived in what is now South America. It was discovered in the La Colonia Formation near Patagonia, Argentina by José F. Bonaparte, who has uncovered...
Carcharodontosaurus
Carcharodontosaurus or "shark lizard" is a genus of carnivorous dinosaur from the Mid-Cretaceous Period (late Albian to early Cenomanian stage) around 100 to 93 million years ago. It gets its name, "˜shark lizard', from the shark genus Carcharodon, wh...
Camptosaurus
Camptosaurus, meaning "bent lizard", is a genus of beaked dinosaur from the Late Jurassic and Early Cretaceous Periods. The term "˜bent lizard' is derived from the arch of its body when standing on all fours. It was originally described by O.C. Marsh ...
Camarasaurus
Camarasaurus, meaning "chambered lizard" (chambered referring to holes in its vertebrae), was a genus of quadrupedal, herbivorous dinosaur from the Late Jurassic Period 155 to 145 million years ago. It was first found in 1877 when a few scattered verte...
Buitreraptor
Buitreraptor or "vulture raider" is a genus of dromaeosaurid dinosaur that was found in Argentina. It was discovered in sandstone in Patagonia, Argentina and first described in 2005 by Peter Makovicky, curator of dinosaurs at the Field Museum of Chicag...
Brachytrachelopan
Brachytrachelopan, meaning "short-necked Pan" (Pan being the god of the shepherds), is a genus of sauropod dinosaur from the Late Jurassic Period (Tithonian Age) of Argentina. The only known specimen was found in eroded and exposed sandstone within the...
Brachylophosaurus
Brachylophosaurus or "short-crested lizard" is a genus of dinosaur that was found in the Oldman Formation of Alberta, Canada in 1936. It was first described by Charles M. Sternberg in 1953. It remained the only described specimen until 1988, when Jack ...
Brachiosaurus
Brachiosaurus or "arm lizard" is a genus of sauropod dinosaur that lived during the Late Jurassic Period and possibly the Early Cretaceous Period 150 to 112 million years ago. It was named Brachiosaurus due to its forelimbs being shorter than its hind ...
Bellusaurus
Bellusaurus or "Beautiful lizard" is a genus of dinosaur from the Middle Jurassic Period of what is now China. The type species, B. sui, was described by Chao in 1987. Seventeen individuals have been recovered from the Wucaiwan Formation in the northea...
Beishanlong
Beishanlong is a genus of giant ornithomimosaurian dinosaur from the Early Cretaceous Period of China 100 to 125 million years ago. It was described in 2009 by a team of Chinese and American paleontologists. The type species is B. grandis. Three fossil...
Beipiaosaurus
Beipiaosaurus or "Beipiao lizard" is a genus of theropod dinosaur from the Early Cretaceous Period, 124 million years ago. It was named after a city in China near the location of discovery. The fossils were found in the Jianshangou bed of the Yixian Fo...
Bambiraptor
Bambiraptor is a genus of bird-like dinosaur that lived about 75 million years ago. It was discovered by then 14-year-old fossil hunter Wes Linster in 1995. Linster found the bones near Glacier National Park in Montana. The bones were excavated and a n...
Bagaceratops
Bagaceratops or "small-horned face" is a genus of ceratopsian dinosaur from the Late Cretaceous Period around 80 million years ago. It lived in what is now Mongolia and other possible genera in North America. Although Bagaceratops occurred late in the ...
Bactrosaurus
Bactrosaurus or "Bactrian lizard" is a genus of dinosaur from the Late Cretaceous Period (97 - 85 million years ago). It lived in what is now eastern Asia. Bactrosaurus is one of the earliest known hadrosaurs, and although it is not known from a full s...
Avimimus
Avimimus, meaning "bird mimic", is a genus of bird-like maniraptorian dinosaur of the Late Cretaceous Period (70 million years ago) that lived in what is now Mongolia. Its name is derived from the Latin words avis: "bird", and mimus: "mimic". The remai...
Austroraptor
Austroraptor, meaning "southern Thief", is a genus of dinosaur that lived during the Cretaceous Period about 70 million years ago. It was found in what is now Argentina. The type species, A. cabazai, was described in 2008 by Fernando Novas of the Argen...
Australovenator
Australovenator or "southern hunter" is a genus of theropod dinosaur from the Early Cretaceous Period (Albian Age) of Australia. It was recovered from the lower part of the Winton Formation and was first described in 2009 by Scott Hocknull and his coll...
Auroraceratops
Auroraceratops or "dawn horned face" is a genus of neoceratopsian dinosaur from the Early Cretaceous Period (Aptian Age). It lived in what is now north-central China. Its genus name refers to its status as an early ceratopsian and also to Dawn Dodson, ...
Aucasaurus
Aucasaurus is a genus of theropod dinosaur from the Santonian Stage of the Upper Cretaceous Period. It lived in what is now Argentina. It was smaller than the similar Carnotaurus, but had longer arms. The fossil remains are complete to the thirteenth c...
Atlascopcosaurus
Atlascopcosaurus or "Atlas Copco lizard" is a genus of dinosaur from the Early Cretaceous Period that lived in what is now Australia. The type species, A. loadsi, was discovered at Dinosaur Cove in Victoria, Australia. It was named after the Atlas Copc...
Astrodon
Astrodon was a genus of dinosaur from the Early Cretaceous Period (112 million years ago) that lived in what is now the eastern United States. It was related to the more widely-known Brachiosaurus. Two teeth of Astrodon were found in the Arundel Format...
Arrhinoceratops
Arrhinoceratops, meaning "no nose-horn face" is a genus of ceratopsian dinosaur from the Late Cretaceous Period, more specifically the Early Maastrichtian Stage. Its name is derived from the Greek words a: "no", rhino: "nose", cerat: "horn", and ops: "...
Arizonasaurus
Arizonasaurus was a genus of dinosaur from the Mesozoic Era of the Middle Triassic Period about 240 million years ago. It was first found in the Moenkopi Formation of northern Arizona. In 2002, a nearly complete skeleton was discovered by Sterling Nesb...
Argentinosaurus
Argentinosaurus or "silver lizard" is a genus of sauropod dinosaur discovered by Guillermo Heredia in Argentina. It was named for the country in which it was discovered. Argentina is derived from the Latin word argentum, which means "silver". The dinos...
Archaeornithomimus
Archaeornithomimus, meaning "before bird mimic", was a genus of dinosaur from the Late Cretaceous Period about 80 mya. It was found in China. This genus is an ancestor of the more famous Ornithomimus. Bones discovered in Maryland that were thought to b...
Appalachiosaurus
Appalachiosaurus or "Appalachian lizard" is a genus of tyrannosauroid dinosaur from the Late Cretaceous Period of eastern North America. This was a bipedal predator. Only one juvenile skeleton has been found, representing an individual about 23 feet lo...
Animantarx
Animantarx or "living citadel" is a genus of ankylosaurian dinosaur from the Upper Cretaceous Period of western North America. Its name is derived from the Latin words animatus (living) and arx (citadel or fortress). This naming refers to its armored n...
Anchisaurus
Anchisaurus, meaning "near lizard", was an early herbivorous dinosaur that was previously classified as a primitive prosauropod dinosaur. It lived in the Early Jurassic Period, 200 to 188 million years ago. Anchisaurus was used as a replacement name fo...
Anchiornis
Anchiornis, meaning "near bird", is a genus of small, feathered dinosaur. The type species A. Huxleyi is named in honor of Thomas Henry Huxley, a scientist known for his early studies in the biological evolutionary relationship between birds and dinosa...
Anchiceratops
Anchiceratops or "near horned face" is a genus of ceratopsian dinosaur from the Late Cretaceous Period of western North America. Its name is derived from the Greek words anchi: "near", cera: "horn", and ops: "face". It was first discovered in 1912 by a...
Anatotitan
Anatotitan or "large duck" is a genus of flat-headed dinosaur commonly referred to as a "duck-billed dinosaur". It lived during the end of the Cretaceous Period, in what is now North America. Its remains have been preserved in the Hell Creek and Lance ...
Amurosaurus
Amurosaurus or "Amur lizard" is a genus of dinosaur of the Late Cretaceous Period which thrived in what is now eastern Asia. It was first described in 1991 by Russian paleontologists Yuri Bolotsky and Sergei Kurzanov. Its name is derived from the Amur ...
Amphicoelias
Amphicoelias, meaning "doubly hollow", is derived from the Greek words amphi: "on both sides" and koilos: "hollow". It is a genus of sauropod dinosaur. It was first collected by Oramel Lucas in Garden Park, Colorado in 1877. The vertebrae found was in ...
Ampelosaurus
Ampelosaurus or "vine lizard" is a genus of sauropod dinosaur from the Late Cretaceous Period about 74 to 70 million years ago. It lived in what is now Europe. It was first described and named by French paleontologist Jean Le Loeuff in 1995. Ampelosaur...
Amargasaurus
Amargasaurus or "La Amarga Lizard" is a genus of sauropod dinosaur from the Early Cretaceous Period about 130 to 125 million years ago. It lived in what is now South America. It was coined Amargasaurus because of where it was discovered, the La Amarga ...
Eoraptor
Eoraptor was one of the world's earliest known dinosaurs. It lived between 230 and 225 mya (million years ago), in what is now known as Argentina. Several well-preserved skeletons have been found and it is believed that the Eoraptor resembles the commo...
Eocursor
Eocursor or "dawn runner" was a primitive genus of dinosaur which lived during the Late Triassic Period (210 mya). It lived in what is now South Africa. Its remains have been discovered in the Lower Elliot Formation and are the most complete known foss...
Elaphrosaurus
Elaphrosaurus or "lightweight lizard" is a genus of carnivorous dinosaur from the Late Jurassic Period. It lived in what is now the Kimmeridgian state of Tanzania. Its skeleton was found in the Tendaguru Beds of Tanzania. A related animal was found in ...
Euhelopus
Euhelopus or "marsh foot" is a genus of dinosaur that lived during the Early Cretaceous Period, 130 to 112 mya. It lived in what is now Shandong Province in China. It was originally named Helopus 1929, but since this name already belonged to a bird, it...
Erlikosaurus
Erlikosaurus is a genus of dinosaur from the Late Cretaceous Period about 80 mya. Its fossils were discovered in the Bayan Shireh Formation of Mongolia. The type species E. andrewsi was described by Altangerel Perle in 1980. Its name is derived from th...
Epidexipteryx
Epidexipteryx, meaning "display feather", is a genus of maniraptorian dinosaur from the Middle or Upper Jurassic Period (152-168 mya) that was found in what is now Inner Mongolia, China. The specific name, E. hui, commemorates paleomammologist Hu Yaomi...
Eotriceratops
Eotriceratops or "dawn three-horn face" is a genus of ceratopsian dinosaur from the Late Cretaceous Period. Its fossils were discovered in the Horseshoe Canyon Formation. The skull of the Eotriceratops is believed to be about 10 feet long. Accordin...
Pachyrhinosaurus
Pachyrhinosaurus, meaning "thick-nosed reptile" was a genus of ceratopsian dinosaur which existed during the Late Cretaceous Period of North America. It was first discovered by Charles M. Sternberg in Alberta, Canada in 1946. It was named in 1950. Twel...
Monoclonius
Monoclonius, meaning "single stem", was a ceratopsian dinosaur from the Late Cretaceous Period. It was discovered at the Judith River Formation in Montana. The name monoclonius is derived from the single root system of its teeth. Monoclonius was first ...
Einiosaurus
Einiosaurus, meaning "forward-curved horn", was a medium-sized centrosaurine dinosaur from the Upper Cretaceous Period. It was discovered in the Two Medicine Formation of northwestern Montana. Roughly 15 individuals were discovered by Jack Horner in 19...
Centrosaurus
Centrosaurus, or the "Pointed Lizard", was an herbivorous ceratopsian dinosaur that lived in the Late Cretaceous Period of North America (about 75 million years ago). This dinosaurs name refers to the small horns placed along the margin of the frill, n...
Brachyceratops
Brachyceratops, or the "short horn-face" is a genus of dinosaur from the Late Cretaceous Period. Its fossils have been found in Alberta, Canada and Montana, USA. It has proven difficult to make an exact model of an adult specimen as only juvenile fossi...
Avaceratops
Avaceratops, or the "Ava horned face", lived during the Late Cretaceous Period, and is a genus of small ceratopsian dinosaur. They were found in what is now the Northwestern United States. It was first discovered in the Judith River Formation of Montan...
Albertaceratops
Albertaceratops, or the "Alberta horned face" was a genus of dinosaur from the middle Campanian-age / Upper Cretaceous Period. It was discovered in the Oldman Formation of Alberta, Canada, and the Judith River Formation of Montana, USA. This dinosaur w...
Achelousaurus
Achelousaurus (Achelous's lizard) is a genus of dinosaur that lived in what is now North America during the Late Cretaceous Period. The genus was named by paleontologist Scott Sampson in 1995. The type species is A. horneri. The specific name, horneri,...
Liaoceratops
Liaoceratops, the "Liao Horned Face", is a newly discovered dinosaur that lived in the early Cretaceous period some 130 million years ago. It was discovered by a team of American and Chinese scientists in China. It is believed to be an early ancestor o...
Archaeoceratops
Archaeoceratops, the "ancient horned face", was a genus of dinosaur from the early Cretaceous period. It was found in north central China. Two specimens were discovered in the Xinminbao Group, Gongpoquan Basin of the Mazong Shan area of Gansu Province,...