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Worthoceras
Taxonomy
Worthoceras was named by Adkins (1928) [Sepkoski's age data: K Albi-u K Turo-u Sepkoski's reference number: 716]. Its type is Macroscaphites platydorsatus.
It was assigned to Scaphitidae by Henderson (1973) and Henderson (1990); to Ammonoidea by Sepkoski (2002); and to Otoscaphitinae by Kennedy et al. (1987) and Szives (2007).
It was assigned to Scaphitidae by Henderson (1973) and Henderson (1990); to Ammonoidea by Sepkoski (2002); and to Otoscaphitinae by Kennedy et al. (1987) and Szives (2007).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Worthoceras Adkins |
| 1973 | Worthoceras Henderson |
| 1987 | Worthoceras Kennedy et al. p. 64 |
| 1990 | Worthoceras Henderson p. 128 |
| 2002 | Worthoceras Sepkoski |
| 2007 | Worthoceras Szives p. 118 |
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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.
G. †Worthoceras Adkins 1928
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†Worthoceras platydorsatus Scott 1924
†Worthoceras pygmaeum Bujtor 1991
†Worthoceras vermiculum Shumard 1860
†Worthoceras worthense Adkins 1920
Diagnosis
No diagnoses are available