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Jasperoceras
Taxonomy
Jasperoceras was named by Ulrich et al. (1942) [Sepkoski's age data: O Llde]. Its type is Jasperoceras costatum.
It was assigned to Trocholitidae by Ulrich et al. (1942), Teichert et al. (1964), Crick (1981); and to Tarphyceratida by Sepkoski (2002).
It was assigned to Trocholitidae by Ulrich et al. (1942), Teichert et al. (1964), Crick (1981); and to Tarphyceratida by Sepkoski (2002).
Species
J. costatum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Jasperoceras Ulrich et al. |
| 1964 | Jasperoceras Teichert et al. p. 361 |
| 1981 | Jasperoceras Crick p. 228 |
| 2002 | Jasperoceras Sepkoski |
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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.
Diagnosis
No diagnoses are available