"Dryosaurus" grandis: Difference between revisions
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Revision as of 14:54, 5 July 2016
| "Dryosaurus" grandis Temporal range: Early Cretaceous,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | †Ornithomimosauria |
| Genus: | †"Dryosaurus" |
| Species: | †"D." grandis
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| Binomial name | |
| †"Dryosaurus" grandis Lull, 1911
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| Synonyms | |
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"Dryosaurus" grandis is a dubious species of theropod dinosaur known from remains found in the Arundel Formation of Maryland, with a complex history of classification. Matthew and Brown (1922) formerly classified it under the name Ornithomimus affinis (Gilmore, 1920)[1] which was, in turn, a replacement name for Dryosaurus grandis (Lull, 1911).[2] Gilmore (1920) placed Dryosaurus grandis in the genus Ornithomimus, which rendered Lull's name secondarily preoccupied by Ornithomimus grandis (Marsh, 1890) and necessitated the replacement name Ornithomimus affinis.[3] However, the holotype specimen of Ornithomimus grandis comes from the Eagle Sandstone of Montana and is presumed lost,[4] while Smith and Galton (1990) could not identify the Arundel taxon beyond the level of Theropoda.[5]
References
- ^ Matthew, W.D. and B. Brown. 1922. The family Deinodontidae, with notice of a new genus from the Cretaceous of Alberta. Bulletin of the American Museum of Natural History 46(6):367-385.
- ^ Lull, R.S. 1911. Systematic paleontology of the Lower Cretaceous deposits of Maryland: Vertebrata. Maryland Geological Survey: Lower Cretaceous 183-211.
- ^ Gilmore, C.W.. 1920. Osteology of the carnivorous Dinosauria in the United States National Museum, with special reference to the genera Antrodemus (Allosaurus) and Ceratosaurus. Bulletin of the United States National Museum 110:1-154.
- ^ Osborn, H.F. (1916). "Skeletal adaptations of Ornitholestes, Struthiomimus, Tyrannosaurus." Bulletin of the American Museum of Natural History, 35(43), 733-771.
- ^ Smith and Galton, 1990. Osteology of Archaeornithomimus asiaticus (Upper Cretaceous, Iren Dabasu Formation, People's Republic of China). Journal of Vertebrate Paleontology.