Rhynchonellata - Athyridida - Athyrididae

Full reference: J. Yanagida and I. Nishikawa. 1984. Early Permian brachiopods from the Kawai Limestone, Hiroshima Prefecture, southwest Japan. Memoirs of the Faculty of Science, Kyushu University, Series D, Geology 25(2):159-197

Belongs to Composita according to J. Yanagida and I. Nishikawa 1984

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 grandis, Composita hapsida, Composita huagongensis, Composita idahoensis, Composita imbricata, Composita insulcata, 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: GK-D 31608, a shell (Conjoined shell). Its type locality is Kogoro K-2, Hiroshima Prefecture, which is in a Sakmarian carbonate limestone in the Kawai Formation of Japan.

Ecology: stationary low-level epifaunal suspension feeder

Distribution: found only at Kogoro K-2, Hiroshima Prefecture

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Specimen images are retrieved through the ePANDDA API.