†subfamily Clepsydropinae Case 1907 (ophiacodont)
Osteichthyes - Synapsida - Ophiacodontidae
Full reference: E. C. Case. 1907. Revision of the Pelycosauria of North America. Carnegie Institution of Washington 55:3-176
Parent taxon: Clepsydropidae according to E. C. Case 1907
Sister taxa: Archaeothyris, Baldwinonus, Clepsydrops, Diopeus, Elcabrosaurus, Ophiacodon, Stereophallodon, Stereorhachis, Varanosaurus, Arribasaurus, Scoliomus
Subtaxa: none
Type: Clepsydrops
Ecology:
Distribution: there are no occurrences of Clepsydropinae in the database