Rhynchonellata - Athyridida - Athyrididae
Alternative spelling: Athyris (Composita)
Parent taxon: Spirigerellinae according to A. Williams et al. 2002
See also Hoare 1961, Reed 1944, Savage and Baxter 1995 and Sepkoski 2002
Sister taxa: Araxathyris, Cardiothyris, Densalvus, Gruntea, Iniathyris, Nordathyris, Planalvus, Posicomta, Pseudopentagonia, Rectambitus, Septospirigerella, Spirigerella, Tongzithyris, Tulathyris, Uldziathyris
Subtaxa: 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 girtyi Composita globosa Composita grandis 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
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (2 collections), Australia (4), Bolivia (28), Canada (3: British Columbia, Yukon), China (22), Greece (5), Guatemala (1), Indonesia (2), Japan (1), Madagascar (1), Mexico (27), Pakistan (9), Peru (29), Thailand (1), United States (679: Alaska, Arizona, California, Idaho, Kansas, Montana, Nevada, New Mexico, Oklahoma, Oregon, Texas, Utah, Wyoming), Venezuela (8)
• Namurian of Australia (1)
• Carboniferous to Permian of Bolivia (1), United States (11: California, Texas)
• Carboniferous of Australia (3), Belgium (1), Bolivia (4), Brazil (1), Canada (48: Alberta, British Columbia, Northwest Territories, Nova Scotia, Yukon), China (4), Egypt (1), India (1), Iran (4), Libya (3), Mexico (1), Pakistan (1), Peru (2), the Russian Federation (2), the United Kingdom (20), United States (833: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Idaho, Idaho-Utah, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, Virginia, Wyoming)
• Devonian to Carboniferous of the United Kingdom (3)
• Devonian of Afghanistan (1), Canada (1: Alberta), China (2), United States (16: Alaska, Colorado, Montana, Montana, and Wyoming, New Mexico, Ohio)
• Paleozoic of Chile (1)
Total: 1788 collections including 2058 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.