''Cincinnetina'' is an extinct genus of

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 ...

s which existed in what is now the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

during the Late

Ordovician The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. T ...

. It was described by Jisuo Jin in 2012, as a new genus for the '' Orthis'' species ''O. multisecta'' (Meek, 1873) and ''O. meeki'' (Miller, 1875), each of which have been replaced a number of times under other genera, e.g. '' Dalmanella'', '' Resserella'', and '' Onniella'' by other authors. A third species, ''C. minnesotensis'', was described from

Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over to ...

, from which its species epithet was derived.

Species

* ''Cincinnetina multisecta'' (Meek, 1873) * ''Cincinnetina meeki'' (Miller, 1875)Miller, S. A. 1875. ''Monograph of the Class Brachiopoda of the Cincinnati Group.'' Cincinnati Quarterly Journal of Science, 2, 6–62. * ''Cincinnetina minnesotensis'' Jin, 2012

References

{{Taxonbar, from=Q5120362 Prehistoric brachiopod genera Ordovician brachiopods Fossils of Georgia (U.S. state) Paleozoic life of Quebec