Rhynchonellata - Athyridida - Athyrididae
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 Composita according to A. H. Coogan 1960
See also Cooper 1953
Sister taxa: Athyris (Composita) indosinensis, Athyris (Composita) semirostrata, Composita affinis, Composita apheles, Composita apsidata, Composita argentea, Composita bamberi, Composita biforma, Composita bucculenta, Composita costata, Composita cracens, Composita crassa, Composita depressa, Composita discina, Composita elongata, Composita emarginata, Composita enormis, Composita gigantea, Composita girtyi, Composita globosa, Composita hapsida, Composita huagongensis, Composita idahoensis, Composita imbricata, Composita insulcata, Composita jogensis, Composita laevis, Composita lewisensis, Composita magnicarina, Composita mexicana, Composita minuscula, Composita mira, Composita misriensis, Composita nucella, Composita obesa, Composita ovata, Composita parasulcata, Composita pikensis, Composita pilula, Composita plana, Composita prospera, Composita pyriformis, Composita quadrirotunda, Composita quantilla, Composita rotunda, Composita sigma, Composita stalagmium, Composita strongyle, Composita subcircularis, Composita subquadrata, Composita subtilita, Composita sulcata, Composita tareica, Composita tetralobata, Composita tobaensis, Composita trinuclea
Type specimen: USNM 115522. Its type locality is USNM806r, 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
Distribution:
• Permian of Mexico (14 collections), United States (1: California)
Total: 15 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.