''Composita'' is an

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

brachiopod Brachiopods (), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, w ...

genus that lived from the

Late Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, wher ...

to the

Late Permian Late may refer to: * LATE, an acronym which could stand for: ** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia ** Local-authority trading enterprise, a New Zealand business law ** Local average treatment effect, ...

.''Composita''
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...

.org ''Composita'' had a cosmopolitan global distribution, having lived on every

continent A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continents. Ordered from largest in area to smallest, these seven ...

except

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...

.sulcus and a round opening for the

pedicle Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

on the pedicle valve. ''Composita'' is included in the family Athyrididae (Order Athyridida) and placed in the subfamily Spirigerellinae. Related genera include '' Cariothyris'' and '' Planalvus'' along with ''

Athyris ''Athyris'' is a brachiopod genus with a subequally biconvex shell that is generally wider than long and a range that extends from the Silurian into the Triassic. ''Athyris'' is the type genus for the Athyrididae, which belongs to the articulate ...

''.

Species

The following species within this genus have been described: * ''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

Prehistoric brachiopod genera Devonian first appearances Permian genus extinctions Paleozoic life of Alberta Paleozoic life of British Columbia Paleozoic life of the Northwest Territories Paleozoic life of Nova Scotia Paleozoic life of Yukon Devonian Colombia Fossils of Afghanistan Fossils of Australia Fossils of Belgium Fossils of Bolivia Fossils of Brazil Fossils of Canada Fossils of China Fossils of Colombia Fossils of Egypt Fossils of Greece Fossils of Guatemala Fossils of Indonesia Fossils of Iran Fossils of Japan Fossils of Libya Fossils of Mexico Fossils of Pakistan Fossils of Peru Fossils of Russia Fossils of Thailand Fossils of Tunisia Fossils of Great Britain Fossils of the United States Fossils of Venezuela Taxa described in 1849 Fossil taxa described in 1849 {{Brachiopod-stub