Archaeothyris Reisz 1972 (ophiacodont)

Osteichthyes - Synapsida - Ophiacodontidae

Full reference: R. R. Reisz. 1972. Pelycosaurian Reptiles from the Middle Pennsylvanian of North America. Bulletin of the Museum of Comparative Zoology 144(2):27-60

Parent taxon: Ophiacodontidae according to R. R. Reisz 1972

See also Carroll 1988, Haubold et al. 2005 and Reisz 1986

Sister taxa: Baldwinonus, Clepsydrops, Diopeus, Elcabrosaurus, Ophiacodon, Stereophallodon, Stereorhachis, Varanosaurus, Clepsydropinae, Scoliomus, Arribasaurus

Subtaxa: Archaeothyris florensis

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• Carboniferous of Canada (1: Nova Scotia collection), the Czech Republic (1), United States (1: Ohio)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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