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Gregoryceras
Taxonomy
Gregoryceras is a genus. It is not extant. Its type is Ammonites transversarius.
It was assigned to Peltoceratinae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was assigned to Peltoceratinae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Gregoryceras Arkell et al. p. 335 |
| 2002 | Gregoryceras 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.
G. †Gregoryceras
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†Gregoryceras devauxi Bert and Enay 2004
†Gregoryceras fouquei Kilian 1889
†Gregoryceras transversarium Quenstedt 1847
Diagnosis
No diagnoses are available