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Syngastrioceras aktubense
Taxonomy
Syngastrioceras aktubense was named by Ruzhentsev and Bogoslovskaya (1971). Its type specimen is PIN 455/36329, a shell, and it is a 3D body fossil. Its type locality is Sholak-Say Canyon, Sample 3, Southern Urals, Aktyubin Region, which is in an Arnsbergian offshore shelf carbonate in Kazakhstan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Syngastrioceras aktubense Ruzhentsev and Bogoslovskaya p. 298 figs. Pl 32, figs 6,7; text-fig 75 |
| 1975 | Syngastrioceras aktubense Nassichuk p. 86 |
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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.
†Syngastrioceras aktubense Ruzhentsev and Bogoslovskaya 1971
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 11.5 | 8.70 | 15.2 | 11.9 | 4.60 | |
| shell diameter | 2 | 28.0 | 21.1 | 37.2 | 29.2 | 11.4 | |
| shell inflation | 2 | 7.92 | 5.70 | 11.0 | 8.35 | 3.75 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Arnsbergian or 326.90000 to 323.60000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arnsbergian | Kazakhstan | Syngastrioceras aktubense (type locality: 166366) | |
| Arnsbergian | Russian Federation (Orenburg) | Syngastrioceras aktubense (166948) |