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Clavilithes atahuallpai
Taxonomy
Clavilithes atahuallpai was named by Hanna and Israelsky (1925). Its type specimen is CAS 1718, a shell, and it is a 3D body fossil. Its type locality is CAS Loc. 850, Quebrada Mancora [Negritos Fm], which is in an Eocene marine horizon in the Negritos Formation of Peru.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Clavilithes atahuallpai Hanna and Israelsky figs. pl. 7, figs. 8, 9 |
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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.
†Clavilithes atahuallpai Hanna and Israelsky 1925
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. D. Hanna and M. C. Israelsky 1925 | Shell fusoid, with body whorl longer than turreted spire; ornamented by fine spiral lines, which become rather heavy on base of body whorl; spire with apical angle of 70° and
strongly noded, the body whorl slightly noded or not at all; shoulder tabulate for about 1% whorls from aperture; aperture suboval, inclined, notched at shoulder ; anterior canal open, narrow, curved, about same length as body whorl ; columella vertical, flexuous ; inner lip slightly calloused ; umbilicus incipient; measurements of type, No. 1718. |