Osteichthyes - Synapsida - Ophiacodontidae

Synonyms: Captorhinus illinoiensis Williston 1911, Captorhinus illinoisensis Williston 1911

Full reference: E. D. Cope. 1877. On the Vertebrata of the bone bed in eastern Illinois. Proceedings of the American Philosophical Society 17:53-63

Belongs to Clepsydrops according to A. S. Romer and L. I. Price 1940

See also Case 1907, Cope 1877, Cope 1888, Hay 1902, Hay 1930, Reisz 1986 and Williston 1911

Sister taxa: Clepsydrops collettii, Clepsydrops magnus

Type specimens:

• Clepsydrops vinslovii: FMNH 6532, a set of vertebrae (one single cervical). Its type locality is Danville Locality (Vertebrates), which is in a Missourian terrestrial horizon in the Bond Formation of Illinois.
• Captorhinus illinoisensis: FMNH (WM) 6547, a limb element (femur). Its type locality is Danville Locality (Vertebrates), which is in a Missourian terrestrial horizon in the Bond Formation of Illinois.

Ecology:

Distribution: found only at Danville Locality (Vertebrates)

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Specimen images are retrieved through the ePANDDA API.