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Purmanarcoceras
Taxonomy
Purmanarcoceras is a genus. It is not extant.
It was assigned to Ellesmeroceratidae by Crick (1981); and to Ellesmerocerida by Sepkoski (2002).
It was assigned to Ellesmeroceratidae by Crick (1981); and to Ellesmerocerida by Sepkoski (2002).
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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. †Purmanarcoceras
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||