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Phanerozoic Reference Libraries

Page 3 of about 26 Articles
Mamenchisaurus
2010-02-03 15:08:36

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 a highway construction site in Sichuan, China. It was studied and named in 1954 by paleontologist Professor C.C. Young. A second specimen was...

Kentrosaurus
2010-02-03 14:32:40

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 Kimmeridgian stage from 156 to 151 million years ago. It was first described by Edwin Hennig in 1915. The type species is K. aethiopicus. It is...

Coelophysis
2009-08-18 23:02:34

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 worldwide in Late Triassic and Early Jurassic formations. Coelophysis was first named by Edward Drinker Cope in 1889. The remains were first found by...

Dromaeosaurus
2009-08-18 21:59:17

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 dinosaur is poorly known from fossils, and is only described in detail based on other dromaeosaurid findings. Its remains were unearthed during a...

Ceratosaurus
2009-08-18 17:51:55

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 Cleveland Lloyd Dinosaur Quarry in central Utah and the Dry Mesa Quarry in Colorado. The type species, C. nasicornis, was described by O.C. Marsh in...

Avimimus
2009-08-05 14:21:55

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 remains of Avimimus were discovered by Russian paleontologists and described by Dr. Sergei Kurzanov in 1981. The initial description of Avimimus...

Word of the Day
kenspeckle
  • Having so marked an appearance as easily to be recognized.
This word may come from the Swedish 'kanspak,' quick at recognizing persons or things, or else from confusion with 'conspicuous.'