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Retipirula calidula
Taxonomy
Retipirula calidula was named by Saul and Squires (2008). Its type specimen is LACMIP 13218 and is a 3D body fossil. Its type locality is UCLA loc. 1591, Warm Springs Mountain, which is in a Maastrichtian transition zone/lower shoreface sandstone in the San Francisquito Formation of California.
Synonymy list
Year | Name and author |
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2008 | Retipirula calidula Saul and Squires p. 234 figs. Figure 11.9, 11.10 |
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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.
†Retipirula calidula Saul and Squires 2008
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Diagnosis
Reference | Diagnosis | |
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L. R. Saul and R. L. Squires 2008 | Relatively high-spired Retipirula with cords on siphonal area only slightly smaller than those of whorl face. |