Full reference: N. D. Newell and D.W. Boyd. 1970. Oyster-like Permian Bivalvia. Bulletin of the American Museum of Natural History 143(4):221-281
Sister taxa: none
Type specimen: USNM 154995, a shell (Articulated shell). Its type locality is USNM702, Split Tank, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Cathedral Mountain Formation of Texas.
Ecology: stationary epifaunal suspension feeder
Average measurements (in mm): shell 34.0 x 22.6, valve length 21.2