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Aktubonautilus
Taxonomy
Aktubonautilus was named by Ruzhentsev and Shimanskiy (1954). Its type is Aktubonautilus eruciformis. It is the type genus of Aktubonautilidae.
It was assigned to Aktubonautilidae by Ruzhentsev and Shimanskiy (1954), Laptikhovsky et al. (2013), Korn (2025).
It was assigned to Aktubonautilidae by Ruzhentsev and Shimanskiy (1954), Laptikhovsky et al. (2013), Korn (2025).
Species
A. eruciformis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Aktubonautilus Ruzhentsev and Shimanskiy p. 101 |
| 2013 | Aktubonautilus Laptikhovsky et al. p. Appendix |
| 2025 | Aktubonautilus Korn p. 53 |
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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.
G. †Aktubonautilus Ruzhentsev and Shimanskiy 1954
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†Aktubonautilus eruciformis Ruzhentsev and Shimanskiy 1954
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 11.2 | |||||
| shell diameter | 1 | 28.0 | |||||
| shell inflation | 1 | 9.60 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Artinskian or 290.10000 to 283.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Kazakhstan | A. eruciformis (116788) |