Composita is an extinct brachiopod genus that lived from the Late Devonian to the Late Permian.[1] Composita had a cosmopolitan global distribution, having lived on every continent except Antarctica.[1][2] Composita had a smooth shell with a more or less distinct fold and sulcus and a round opening for the pedicle on the pedicle valve. Composita is included in the family Athyrididae (Order Athyridida) and placed in the subfamily Spirigerellinae.
| Composita | |
|---|---|
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| Composita from the Boone Formation of northern Arkansas. | |
| Scientific classification | |
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| Family: | †Athyrididae |
| Subfamily: | †Spirigerellinae |
| Genus: | †Composita Brown, 1849 |
| Species | |
See text | |
Related genera include Cariothyris and Planalvus along with Athyris.
Species
The following species within this genus have been described:[1][2]
- C. advena (Grant, 1976)
- C. affinis Girty, 1909
- C. apheles Cooper and Grant, 1976
- C. apsidata Cooper and Grant, 1976
- C. bamberi Shi and Waterhouse, 1996
- C. biforma Yang, 1991
- C. bucculenta Cooper and Grant, 1976
- C. costata Cooper and Grant, 1976
- C. cracens Cooper and Grant, 1976
- C. crassa Cooper and Grant, 1976
- C. depressa Sun, 1991
- C. discina Cooper and Grant, 1976
- C. elongata Dunbar and Condra, 1932
- C. emarginata (Girty, 1909)
- C. enormis Cooper and Grant, 1976
- C. girtyi Raymond, 1911
- C. grandis Cooper, 1953
- C. hapsida Stehli and Grant, 1970
- C. huagongensis Liao, 1979
- C. idahoensis Butts, 2007
- C. imbricata Cooper and Grant, 1976
- C. indosinensis (Mansuy, 1914)
- C. insulcata Zeng et al., 1995
- C. jogensis Yanagida & Nishikawa, 1984
- C. magnicarina Campbell, 1961
- C. mexicana (Hall, 1857)
- C. minuscula Chronic, 1949
- C. mira (Girty, 1899)
- C. misriensis (Reed, 1944)
- C. nucella Cooper and Grant, 1976
- C. ovata (Mather, 1915)
- C. parasulcata Cooper and Grant, 1976
- C. pilula Cooper and Grant, 1976
- C. plana Yancey, 1978
- C. prospera Cooper and Grant, 1976
- C. pyriformis Cooper and Grant, 1976
- C. quadrirotunda (Lee and Su, 1980)
- C. quantilla Cooper and Grant, 1976
- C. rotunda Snider, 1915
- C. sigma Gordon, 1975
- C. stalagmium Cooper and Grant, 1976
- C. strongyle Cooper and Grant, 1976
- C. subcircularis Brill, 1940
- C. subquadrata (Hall, 1858)
- C. subtilita (Hall, 1852)
- C. tareica Chernyak, 1963
- C. tetralobata Hoare, 1960
- C. tobaensis Wang, 1985
- C. trinuclea (Hall, 1956)
