Composita

Composita is an extinct brachiopod genus that lived from the Late Devonian to the Late Permian. "Composita" had a cosmopolitan global distribution, having lived on every continent except Antarctica. "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.
Related genera include "Cariothyris" and "Planalvus" along with "Athyris".
Species.
The following species within this genus have been described: