Pseudocrypturus

{{short description|Extinct genus of birds}}

{{Automatic taxobox

| fossil_range = {{fossilrange|55.8|50.3}}Early Eocene{{Cite web|title=Pseudocrypturus|url=https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=134488&is_real_user=1|access-date=2021-09-23|website=paleobiodb.org}}

| image = Pseudocrypturus Smithsonian fossil.jpg

| image_caption = Head and neck of the holotype specimen in the Smithsonian Institution

| taxon = Pseudocrypturus

| authority = (Houde, 1988)Hinton, A. C. (1996)

| type_species = {{extinct}}Pseudocrypturus cercanaxius

| type_species_authority = Houde, 1988

| subdivision_ranks = Other species

| subdivision =

• {{extinct}}?P. danielsi {{small|Mayr & Kitchener, 2025}}{{Cite journal |last1=Mayr |first1=G. |last2=Kitchener |first2=A. C. |year=2025 |title=The Lithornithiformes (Aves) from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK) |journal=Papers in Palaeontology |volume=11 |issue=1 |at=e1611 |doi=10.1002/spp2.1611 |doi-access=free }}
• {{extinct}}?P. gracilipes {{small|Mayr & Kitchener, 2025}}

}}

Pseudocrypturus is a genus of extinct paleognathous bird. Three species are known and the type species is 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.Houde, Peter W. (1988)