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Nautilus calciferus
Taxonomy
Nautilus calciferus was named by Billings (1865).
It was recombined as Tarphyceras calciferum by Hyatt (1894); it was recombined as Litoceras calciferum by Ulrich et al. (1942), Kröger and Pohle (2021).
It was recombined as Tarphyceras calciferum by Hyatt (1894); it was recombined as Litoceras calciferum by Ulrich et al. (1942), Kröger and Pohle (2021).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Nautilus calciferus Billings pp. 258 - 259 |
| 1894 | Tarphyceras calciferum Hyatt pp. 435, 456 |
| 1942 | Litoceras calciferum Ulrich et al. |
| 2021 | Litoceras calciferum Kröger and Pohle p. 68 |
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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.
†Nautilus calciferus Billings 1865
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Diagnosis
No diagnoses are available