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Pravitoceras sigmoidale
Taxonomy
Pravitoceras sigmoidale was named by Yabe (1902).
Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Pravitoceras sigmoidale Yabe |
| 1985 | Pravitoceras sigmoidale Morozumi p. 42 figs. Pl 18, figs 1,2 |
| 2016 | Pravitoceras sigmoidale Yoshino and Matsuoka p. 80 figs. 5, 7A-C, 8 |
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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.
†Pravitoceras sigmoidale Yabe 1902
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Diagnosis
No diagnoses are available