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Jurassic Reference Libraries

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Sharpirhynchia sharpi
2014-01-12 00:00:00

Sharpirhynchia sharpi is a species of extinct brachiopod named after fossil collector Samuel Sharp (1814-1882). This species lived during the Lower Bathonian of the Middle Jurassic Period. It is found only in the United Kingdom, and numerous specimens have been taken from several sites, the first from Limekiln Quarry in Northampton, England. S. sharpi is roughly a half-inch long, with a...

Scelidosaurus
2012-01-11 13:02:58

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 -- in Arizona. Scelidosaurus has been called the earliest complete dinosaur known. The type specimen was discovered by James Harrison of...

Torvosaurus
2010-09-29 15:30:41

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 by James Jensen and Kenneth Stadtman in the Morrison Formation at Dry Mesa Quarry, Colorado in 1972. The genus and type species, T. tanneri,...

Yangchuanosaurus
2010-08-23 12:10:30

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 worker during the building of the Shangyou Reservoir Dam in the Yongchuan District. This genus was considered the same as Metriacanthosaurus by...

Othnielia
2010-02-16 15:26:59

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 revisions made on Morrison ornithischians, the only definite remains are that of a femur belonging to the type species Othnielia rex, named by...

Lourinhanosaurus
2010-02-02 15:23:19

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 Portuguese paleontologist Octávio Mateus. The only known species, L. antunesi, is named in honor of paleontologist Miguel Telles Antunes. It is...

Mymoorapelta
2010-01-26 19:02:33

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 have been recovered. There is controversy over the placement of this dinosaur within the group Ankylosauria. It has also been placed in the...

Heterodontosaurus
2009-10-16 17:56:55

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 years ago). Two species are known. This herbivorous dinosaur ate mostly plants despite having canines. It was a small ornithischian reaching a...

Gargoyleosaurus
2009-09-11 15:04:15

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 County, Wyoming. A skeletal reconstruction is currently on display at the Denver Museum of Nature and Science. It was officially described by Ken...

Dilophosaurus
2009-08-20 12:48:29

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 theropods, and one of the least understood as well. It was discovered by Sam Welles in the summer of 1942 and brought to Berkeley for cleaning and...

Word of the Day
bretelles
  • In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.
The word 'bretelles' comes from a French word meaning 'braces'.