Strophomenata - Productida - Strophalosiidae

Full reference: G. A. Cooper. 1953. Sponges, Brachiopoda, Pelecypoda, and Scaphopoda. Permian fauna at El Antimonio, western Sonora, Mexico. Smithsonian Miscellaneous Collections 119(2):21-80

Belongs to Heteralosia according to G. A. Cooper 1953

Sister taxa: Heteralosia alexandrae, Heteralosia complectens, Heteralosia haerens, Heteralosia hystricula, Heteralosia iphia, Heteralosia magnispina, Heteralosia paucispinosa, Heteralosia tenuispina, Heteralosia vidriensis, Strophalosia (Heteralosia) sublamellata, Strophalosia (Heteralosia) tenuispina

Type specimen: USNM 115587. Its type locality is USNM806f, Cerros de los Monos, El Antimonio, Sonora, which is in a Wordian marine limestone in the Antimonio Formation of Mexico.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 13.3 x 16.5