Cincinnetina is an extinct genus of brachiopods which existed in what is now the United States during the Late Ordovician. 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, from which its species epithet was derived.
Species Cincinnetina multisecta (Meek, 1873)Meek, F. B. 1873. Section I. Descriptions of invertebrate fossils of the Silurian and Devonian systems. Ohio Geological Survey, Palaeontology, 1 (Pt. 2), 1–243. 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
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