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Cyrtinaella causa
Taxonomy
Cyrtinaella causa was named by Johnson (1970). It is a 3D body fossil. Its type locality is USNM 10808. North flank of Ikes Canyon, which is in a Lochkovian open shallow subtidal limestone in the McMonnigal Limestone Formation of Nevada.
Synonymy list
Year | Name and author |
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1970 | Cyrtinaella causa Johnson pp. 217 - 218 figs. Pl. 72, figs. 1-9, 14, 15 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Cyrtinaella causa Johnson 1970
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Diagnosis
Reference | Diagnosis | |
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J. G. Johnson 1970 | Cyrtinaella with prominent U-shaped furrows on the pedicle valve lateral to the plications bounding the sulcus. |