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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Prothalassoceras jaikense
Taxonomy
Prothalassoceras jaikense was named by Ruzhentsev (1950). Its type specimen is PIN 320/1301, a shell, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1950 | Prothalassoceras jaikense Ruzhentsev p. 111 figs. Pl 4, figs 7-9; text-fig 40a-g |
| 1995 | Prothalassoceras jaikense Bogoslovskaya et al. p. 297 fig. 10.2 |
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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.
†Prothalassoceras jaikense Ruzhentsev 1950
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 18.2 | 11.7 | 32.5 | 17.2 | 9.13 | |
| shell diameter | 4 | 31.1 | 19.7 | 55.0 | 29.7 | 15.4 | |
| shell inflation | 4 | 1.48 | 0.900 | 2.30 | 1.55 | 0.608 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Gzhelian or 303.70000 to 298.90000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | Russian Federation | Prothalassoceras jaikense (172255 172256 172259 172260 172261 172262 172263 172264 172265 172266 172268 172269 172292 172368) | |
| Gzhelian | Kazakhstan | Prothalassoceras jaikense (81344 81352 81358 172277) | |
| Gzhelian | Russian Federation (Bashkortostan) | Prothalassoceras jaikense (172290) |