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Rhiphaeoceras
Taxonomy
Rhiphaeoceras was named by Ruzhentsev and Shimanskiy (1954) [Sepkoski's age data: P Leon Sepkoski's reference number: 524]. Its type is Rhiphaeoceras venustum. It is the type genus of Rhiphaeoceratidae.
It was assigned to Nautilida by Sepkoski (2002); and to Rhiphaeoceratidae by Ruzhentsev and Shimanskiy (1954), Teichert et al. (1964), Smyshlyaeva and Zakharov (2017).
It was assigned to Nautilida by Sepkoski (2002); and to Rhiphaeoceratidae by Ruzhentsev and Shimanskiy (1954), Teichert et al. (1964), Smyshlyaeva and Zakharov (2017).
Species
R. humile, R. venustum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Rhiphaeoceras Ruzhentsev and Shimanskiy p. 103 |
| 1964 | Rhiphaeoceras Teichert et al. p. 423 |
| 2002 | Rhiphaeoceras Sepkoski |
| 2017 | Rhiphaeoceras Smyshlyaeva and Zakharov p. 732 |
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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. †Rhiphaeoceras Ruzhentsev and Shimanskiy 1954
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†Rhiphaeoceras humile Ruzhentsev and Shimanskiy 1954
†Rhiphaeoceras venustum Ruzhentsev and Shimanskiy 1954
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.26 | 7.80 | 11.0 | 9.40 | 2.26 | |
| shell diameter | 2 | 24.7 | 20.4 | 30.0 | 25.2 | 6.79 | |
| shell inflation | 2 | 9.84 | 8.00 | 12.1 | 10.1 | 2.90 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Sakmarian to the top of the Artinskian or 293.52000 to 283.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Kazakhstan | R. humile (116782) | |
| Artinskian | Kazakhstan | R. venustum (116788) |