Head and neck of the holotype specimen in the Smithsonian Institution
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Aves
Infraclass:
Palaeognathae
Order:
†Lithornithiformes
Family:
†Lithornithidae
Genus:
†Pseudocrypturus (Houde, 1988)[2]
Species
†Pseudocrypturus cercanaxius
Pseudocrypturus is a genus of extinct paleognathous bird. One species is known, Pseudocrypturus cercanaxius. It is a relative of such modern birds as ostriches. It lived in the early Eocene.
The holotype fossil is in the collection of the Smithsonian's National Museum of Natural History. It has catalog number USNM 336103. It was collected from the Fossil Butte Member, Green River Formation, Lincoln County, Wyoming.[3]
Pseudocrypturus is a genus of extinct paleognathous bird. One species is known, Pseudocrypturus cercanaxius. It is a relative of such modern birds as...
1988. Initially, only three genera (Lithornis, Paracathartes, and Pseudocrypturus) and eight named species were included. Promusophaga (Harrison & Walker...
fossil Leptictidium Peratherium Hesperocyon Tritemnodon Coryphodon Pseudocrypturus Bolca in Italy List of fossil sites (with link directory) London Clay...
of the morphologically most basal fossil forms (such as Lithornis, Pseudocrypturus, Paracathartes and Palaeotis), a Laurasian origin for the group can...
contemporary Pseudocrypturus by a shorter skull - in Calciavis the skull is shorter than the humerus, while in inverse happens in Pseudocrypturus -, as well...
Early Cenozoic northern hemisphere paleognaths such as Lithornis, Pseudocrypturus, Paracathartes and Palaeotis appear to be the most basal members of...
discussed. Presumably closely related genera are Paracathartes and Pseudocrypturus. Six species have been recognized in modern times; undescribed ones...
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