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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Didymoceras hidakense
Taxonomy
Didymoceras hidakense was named by Shigeta (2016). Its type specimen is HMG-1660, a shell, and it is a 3D body fossil. Its type locality is Locality 11, Urakawa, which is in a Campanian marine mudstone in the Chinomigawa Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Didymoceras hidakense Shigeta p. 346 figs. 18-23, 24C-E |
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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.
†Didymoceras hidakense Shigeta 2016
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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 Campanian or 83.50000 to 70.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Japan | Didymoceras hidakense (type locality: 181927 181929) |