''Platystrophia'' 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 ...

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of brachiopods that lived from the Ordovician to the

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, and

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. It has a prominent sulcus and fold. It usually lived in marine lime mud and sands.

Distribution

''Platystrophia ponderosa'' has been found in the Fairview and Oregonia (=Arnheim) Formations, ''Platystrophia clarksvillensis'' in the Waynesville and Liberty Formations, and ''Platystrophia cypha'' from Grant Lake to the Liberty Formations. In South America, the genus is found in the Ordovician San Juan Formation of

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and the

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.''Platystrophia''
at

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.org

Species

Species in the genus ''Platystrophia'' include:''Platystrophia''
at the Global Biodiversity Information Facility *''P. acutilirata'' (Conrad, 1842) *''P. amoena'' McEwan, 1919 *''P. annieana'' Foerste, 1910 *''P. anomala'' Hiller, 1980 *''P. baltica'' Zuykov and Harper, 2007 *''P. biforatus'' (Schlotheim, 1820) *''P. caelata'' Williams, 1974 *''P. chama'' Eichwald, 1861 *''P. clarkvillensis'' Foerste, 1910 *''P. colbiensis'' Foerste, 1910 *''P. costata'' Zuykov, 2000 *''P. costatus'' (Pander, 1830) *''P. crassoplicata'' Alichova, 1951 *''P. cypha'' (James, 1874) *''P. dentata'' Pander, 1830 *''P. elegantula'' McEwan, 1919 *''P. extensa'' McEwan, 1920 *''P. hongueda'' *''P. hopensis'' (Foerste, 1910) *''P. humilis'' Li and Copper, 2006 *''P. laticosta'' (James, 1871) *''P. lutkevichi'' Alikhova, 1951 *''P. lynx'' Eichwald, 1830 *''P. orbiculata'' Oraspold, 1959 *''P. pogrebovi'' Zuykov and Harper, 2007 *''P. ponderosa'' Foerste, 1909 *''P. profundosulcata'' (Meek, 1873) *''P. putilovensis'' Zuykov, 1999 *''P. quadriplicata'' Alikhova, 1951 *''P. saxbyensis'' Oraspold, 1959 *''P. scotica'' Williams, 1962 *''P. tramorensis'' Liljeroth et al., 2017 *''P. trentonensis'' McEwan, 1919

Distribution

Species

References

Further reading