Pseudocrypturus
Extinct genus of birds
title: "Pseudocrypturus" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["bird-genera", "eocene-genus-extinctions", "lithornithidae", "paleogene-birds-of-north-america", "fossil-taxa-described-in-1988", "paleontology-in-wyoming", "green-river-formation", "eocene-birds-of-europe", "extinct-birds-of-europe"] description: "Extinct genus of birds" topic_path: "science/earth-science" source: "https://en.wikipedia.org/wiki/Pseudocrypturus" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Extinct genus of birds ::
| fossil_range = Early Eocene | image = Pseudocrypturus Smithsonian fossil.jpg | image_caption = Head and neck of the holotype specimen in the Smithsonian Institution | taxon = Pseudocrypturus | authority = (Houde, 1988) | type_species = Pseudocrypturus cercanaxius | type_species_authority = Houde, 1988 | subdivision_ranks = Other species | subdivision =
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.
Taxonomy
::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/b6/Pseudocrypturus_cercanaxius.JPG" caption="Cast at [[Aathal Dinosaur Museum"] ::
Pseudocrypturus means false tinamou. The species name cercanaxius comes from ancient Greek words grc, tail, and grc, worthless, in reference to the rudimentary pygostyle of this species.
Footnotes
References
References
- "Pseudocrypturus".
- Hinton, A. C. (1996)
- (2025). "The Lithornithiformes (Aves) from the early Eocene London Clay of Walton-on-the-Naze (Essex, UK)". Papers in Palaeontology.
- Houde, Peter W. (1988)
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