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Cidarina cretacea
Taxonomy
Cidarina cretacea was named by Squires and Saul (2003). Its type specimen is LACMIP 12958, a shell, and it is a 3D body fossil. Its type locality is UCR loc. 8388, Pinyon Ridge, which is in a Paleocene marine mudstone in the San Francisquito Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Cidarina cretacea Squires and Saul p. 52 figs. 2.1-2.4 |
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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.
†Cidarina cretacea Squires and Saul 2003
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires and L. R. Saul 2003 | Cidarina with flat spire whorls, convex body whorl, four to five nodose spiral cords on spire whorls and on body whorl posterior to strongest spiral cord at periphery, interspaces relatively wide with occasional single spiral thread, beaded and very closely spaced spiral threads on base of body whorl. |