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Grayiceras
Taxonomy
Grayiceras is a genus. It is not extant.
It was assigned to Mayaitidae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
It was assigned to Mayaitidae by Arkell et al. (1957); and to Ammonoidea by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Grayiceras Arkell et al. p. 298 |
| 2002 | Grayiceras 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. †Grayiceras
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Diagnosis
No diagnoses are available