| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
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
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Japan | Pravitoceras sigmoidale (176786 176787 176788 176789 176790 176791 176792 176793 176794 176795 176796 176797 176798 176799 176801 176802 176803 176804) |