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Prothalassoceras bashkiricum
Taxonomy
Prothalassoceras bashkiricum was named by Ruzhentsev (1950). Its type specimen is PIN 320/5296, a shell, and it is a 3D body fossil. Its type locality is Ika River basin, east of Yuldybaevo (upper Orenburgian), which is in a Gzhelian marine siliciclastic in the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 1950 | Prothalassoceras bashkiricum Ruzhentsev p. 113 figs. Pl 4, fig 10; text-fig 41 |
| 1995 | Prothalassoceras bashkiricum Bogoslovskaya et al. p. 298 fig. 5.16,5.17,5.20,5.21,10.5 |
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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.
†Prothalassoceras bashkiricum Ruzhentsev 1950
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 12.2 | - | - | 12.2 | - | |
| shell diameter | 3 | 14.5 | 8.50 | 21.0 | 17.2 | 6.41 | |
| shell inflation | 3 | 0.001 | - | - | 0.001 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Gzhelian or 303.70000 to 298.90000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | Kazakhstan | Prothalassoceras bashkiricum (81353 81354 172281) | |
| Gzhelian | Russian Federation | Prothalassoceras bashkiricum (172270 172272 type locality: 172369) | |
| Gzhelian - Asselian | Kazakhstan | Prothalassoceras bashkiricum (172284) |