Caenagnathidae
Extinct family of dinosaurs / From Wikipedia, the free encyclopedia
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Caenagnathids | |
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Reconstructed skull of Anzu wyliei | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | Theropoda |
Superfamily: | †Caenagnathoidea |
Family: | †Caenagnathidae Sternberg, 1940 |
Type species | |
†Caenagnathus collinsi Sternberg, 1940 | |
Genera | |
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Synonyms | |
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Caenagnathidae is a family of derived caenagnathoid dinosaurs from the Cretaceous of North America and Asia. They are a member of the Oviraptorosauria, and relatives of the Oviraptoridae.[2] Like other oviraptorosaurs, caenagnathids had specialized beaks,[3] long necks,[4] and short tails,[5] and would have been covered in feathers. The relationships of caenagnathids were long a puzzle. The family was originally named by Raymond Martin Sternberg in 1940 [6] as a family of flightless birds. The discovery of skeletons of the related oviraptorids revealed that they were in fact non-avian theropods,[7] and the discovery of more complete caenagnathid remains [4][8] revealed that Chirostenotes pergracilis, originally named on the basis of a pair of hands, and Citipes elegans, originally thought to be an ornithomimid, named from a foot, were caenagnathids as well.