1903 in paleontology - AbsoluteAstronomy.com

Newly named dinosaurs

George Olshevsky

George Olshevsky is a freelance editor, writer, publisher, amateur paleontologist, and mathematician living in San Diego, California.Olshevsky maintains the comprehensive online Dinosaur Genera List...

's dinosaur genera list and Dr. Jeremy Montague's dinosaur genus database.

Name	Status	Authors	Notes
Brachiosaurus Brachiosaurus Brachiosaurus is a genus of sauropod dinosaur from the Jurassic Morrison Formation of North America. It was first described by Elmer S. Riggs in 1903 from fossils found in the Grand River Canyon of western Colorado, in the United States. Riggs named the dinosaur Brachiosaurus altithorax,...	Valid taxon	Elmer Riggs
Haplocanthosaurus Haplocanthosaurus Haplocanthosaurus is a genus of sauropod dinosaur. Two species, H. delfsi and H. priscus, are known from incomplete fossil skeletons. It lived during the late Jurassic period , 155 to 152 million years ago. The type species is H. priscus, and the referred species H...	Valid taxon	John Bell Hatcher John Bell Hatcher John Bell Hatcher was an American paleontologist and fossil hunter best known for discovering Torosaurus.-Biography:...
"Haplocanthus"	Same as Haplocanthosaurus Haplocanthosaurus Haplocanthosaurus is a genus of sauropod dinosaur. Two species, H. delfsi and H. priscus, are known from incomplete fossil skeletons. It lived during the late Jurassic period , 155 to 152 million years ago. The type species is H. priscus, and the referred species H... .	John Bell Hatcher John Bell Hatcher John Bell Hatcher was an American paleontologist and fossil hunter best known for discovering Torosaurus.-Biography:...	Was mistakenly believed to be preoccupied by a fish called Haplacanthus and renamed Haplocanthosaurus Haplocanthosaurus Haplocanthosaurus is a genus of sauropod dinosaur. Two species, H. delfsi and H. priscus, are known from incomplete fossil skeletons. It lived during the late Jurassic period , 155 to 152 million years ago. The type species is H. priscus, and the referred species H... .
Ornitholestes Ornitholestes Ornitholestes was a small theropod dinosaur of the late Jurassic of Western Laurasia . To date, it is known only from a single partial skeleton, and badly crushed skull found at the Bone Cabin Quarry near Medicine Bow, Wyoming, in 1900...	Valid taxon	Henry Fairfield Osborn Henry Fairfield Osborn Henry Fairfield Osborn, Sr. ForMemRS was an American geologist, paleontologist, and eugenicist.-Early life and career:...
Telmatosaurus Telmatosaurus Telmatosaurus is a genus of basal hadrosaurid dinosaur from the Late Cretaceous. It was a relatively small hadrosaur, approximately five meters long, found in what is now Romania....	Valid taxon	Franz Nopcsa

New taxa

Name	Status	Authors
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Apatomerus Apatomerus Apatomerus , is a genus of extinct reptile known from a single fossil from the Albian-age Kiowa Shale of Kansas, USA. This bone, collected in 1893, was first identified as the thighbone of a crocodilian, but was described in 1903 by Samuel Wendell Williston as belonging to a pterosaur...	Valid	Williston
Brachauchenius Brachauchenius Brachauchenius is an extinct genus of pliosaur that lived in America during the Cretaceous.The type species, Brachauchenius lucasi, lived in the Western Inland Sea of North America around 93.5-89.3 million years ago, during the Turonian stage of the Cretaceous...	Valid	Williston
Dolichorhynchops Dolichorhynchops Dolichorhynchops is an extinct genus of polycotylid plesiosaur from the Late Cretaceous of North America, containing three species, D. osborni, D. herschelensis and D. tropicensis. Dolichorhynchops was an oceangoing prehistoric reptile...	Valid	Williston

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New taxa

Name	Status	Authors
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Apatomerus Apatomerus Apatomerus , is a genus of extinct reptile known from a single fossil from the Albian-age Kiowa Shale of Kansas, USA. This bone, collected in 1893, was first identified as the thighbone of a crocodilian, but was described in 1903 by Samuel Wendell Williston as belonging to a pterosaur...	Valid	Williston
	Valid

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Non-mammalian

Name	Status	Authors	Discovery year	Age	Unit	Location	Notes	Images
Lycosuchus Lycosuchus Lycosuchus is an extinct carnivorous genus of therocephalian which lived in the late Permian 265—245 Ma existing for approximately ....	Valid
Scylacosaurus Scylacosaurus Scylacosaurus is an extinct genus of therapsid....	Valid
Scymnosaurus Scymnosaurus Scymnosaurus is an extinct genus of non-mammalian synapsid.-References:*...	Valid

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