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Tarrantoceras flexicostatum
Taxonomy
Tarrantoceras flexicostatum was named by Cobban (1988). Its type specimen is USNM 400773, a shell, and it is a 3D body fossil. Its type locality is USGS Mesozoic D21850. Greybull, which is in a Cenomanian marine sandstone in the Cody Shale Formation of Wyoming.
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Tarrantoceras flexicostatum Cobban p. 7 figs. Pl 2, figs 23-26; text-fig 5 |
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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.
†Tarrantoceras flexicostatum Cobban 1988
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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 2003, Kiessling 2004 | |||||
Age range: Late/Upper Cenomanian or 100.50000 to 93.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | USA (South Dakota) | Tarrantoceras flexicostatum (177085) | |
| Late/Upper Cenomanian | USA (Wyoming) | Tarrantoceras flexicostatum (type locality: 167808 177129) |