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
Temporal range: Late Devonian-Late Permian
~376–252 Ma
Composita from the Boone Formation of northern Arkansas.
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Subfamily:
Genus:
Composita

Brown, 1849
Species

See text

Related genera include Cariothyris and Planalvus along with Athyris.

Species

edit

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)

References

edit