Captorhinus
genus of reptiles (fossil)

Captorhinus (from Greek: καπτō kaptō, 'to gulp down' and Greek: ῥῑνός rhīnós, 'nose') is an extinct genus of captorhinid reptiles that lived during the Permian period. Its remains are known from North America (Oklahoma, Texas) and possibly South America. It is known from mummified specimens preserving its anatomy in exceptionally high detail.
History of discovery
In 1882, Edward Cope described a fragmentary skull from the Lower Permian of Texas collected by W. F. Cummins at Coffee Creek as Ectocynodon aguti. The name had then been revised several times by different paleontologists as more genera were discovered. In 1911, paleontologist Ermine Cowles Case revised the recently discovered species. He decided to refer P. (Ectodynodon) aguti, P. aduncus, and P. isolomus to Captorhinus, and established a new family, Captorhinidae.
Named by Cope from the Latin word, "captor," meaning "one who catches something," and the Greek word, "rhino," meaning, "of the nose." This is based on the theory that the characteristically curved premaxilla of Captorhinus may have been used to catch prey.
Description
While there are several forms of Captorhinus, there are three main species that are the best known. The previously mentioned Captorhinus aguti is the type species of Captorhinus, but there is also a fair amount of material collected on Captorhinus magnus and Captorhinus laticeps.
“Captorhinus” enters the record as genus of reptiles (fossil). Crown Archives preserves that source wording while asking what Captorhinus, genus and reptiles can confirm, complicate or overturn.
Why this record matters
“Captorhinus” is worth following because a concise public description often conceals a longer documentary argument. Here, Captorhinus, genus and reptiles provides the most credible route into that argument.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q5036974. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1882 and 1911.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Captorhinus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.