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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Neocardioceras transiens
Taxonomy
Neocardioceras transiens was named by Kennedy et al. (1996). Its type specimen is AMNH 44325, a shell, and it is a 3D body fossil. Its type locality is AMNH 3155, Belle Fourche Reservoir, Butte, which is in a Cenomanian marine shale/limestone in the Greenhorn Limestone Formation of South Dakota.
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Neocardioceras transiens Kennedy et al. p. 15 fig. 16,17 |
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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.
†Neocardioceras transiens Kennedy et al. 1996
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 11.0 | 8.60 | 14.0 | 11.2 | 2.52 | |
| shell diameter | 4 | 24.4 | 15.7 | 33.0 | 26.4 | 7.86 | |
| shell inflation | 4 | 7.51 | 5.60 | 10.0 | 7.70 | 2.22 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Cenomanian or 99.60000 to 93.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | USA (South Dakota) | Neocardioceras transiens (type locality: 77738) | |
| Late/Upper Cenomanian | USA (Wyoming) | Neocardioceras sp. (177128) |