PaleoDB taxon number: 129636
Full reference: N. D. Newell and D.W. Boyd. 1975. Parallel evolution in early trigonacean bivalves. Bulletin of the American Museum of Natural History 154(2):55-162
Sister taxa: none
Type specimen: AMNH 29212, a valve (Left valve). Its type locality is AMNH512, Guadalupe Pass, Guadalupe Mountains, which is in a Roadian slope limestone in the Cherry Canyon Formation of Texas.
Ecology: facultatively mobile infaunal suspension feeder
Average measurements (in mm): Left valve length 53.2, valve length 45.5