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Stacheoceras (Neostacheoceras) otomoi
Taxonomy
Stacheoceras otomoi was named by Ehiro et al. (1986). Its type specimen is IGPS 98895 and is a 3D body fossil. Its type locality is Obama, Locality 2, Ogatsu District, which is in a Wuchiapingian deep-water shale in the Toyoma Formation of Japan.
It was recombined as Stacheoceras (Neostacheoceras) otomoi by Leonova (2018).
It was recombined as Stacheoceras (Neostacheoceras) otomoi by Leonova (2018).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Stacheoceras otomoi Ehiro et al. p. 404 figs. Pl 79, figs 1a-d; text-fig 3A |
| 2018 | Stacheoceras (Neostacheoceras) otomoi Leonova p. 242 |
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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.
†Stacheoceras (Neostacheoceras) otomoi Ehiro et al. 1986
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 24.0 | |||||
| shell diameter | 1 | 40.0 | |||||
| shell inflation | 1 | 3.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Japan | Stacheoceras otomoi (type locality: 107618) |