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Pararhiphaeoceras
Taxonomy
Pararhiphaeoceras was named by Ruzhentsev and Shimanskiy (1954) [Sepkoski's age data: P l].
It was assigned to Nautilida by Sepkoski (2002); and to Rhiphaeoceratidae by Teichert et al. (1964), Leonova and Shchedukhin (2020) and Shchedukhin (2022).
It was assigned to Nautilida by Sepkoski (2002); and to Rhiphaeoceratidae by Teichert et al. (1964), Leonova and Shchedukhin (2020) and Shchedukhin (2022).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Pararhiphaeoceras Ruzhentsev and Shimanskiy p. 107 |
| 1964 | Pararhiphaeoceras Teichert et al. p. 424 |
| 2002 | Pararhiphaeoceras Sepkoski |
| 2020 | Pararhiphaeoceras Leonova and Shchedukhin p. 1121 |
| 2022 | Pararhiphaeoceras Shchedukhin p. 602 |
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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. †Pararhiphaeoceras Ruzhentsev and Shimanskiy 1954
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†Pararhiphaeoceras aktastense Ruzhentsev and Shimanskiy 1954
†Pararhiphaeoceras incallidum Ruzhentsev and Shimanskiy 1954
†Pararhiphaeoceras parvum Shchedukhin 2022
†Pararhiphaeoceras probum Shimanskiy 1979
†Pararhiphaeoceras tastubense Kruglov 1928
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 14.6 | 9.00 | 18.9 | 15.3 | 3.25 | |
| shell diameter | 9 | 39.8 | 23.7 | 57.0 | 38.8 | 10.7 | |
| shell inflation | 9 | 15.7 | 9.40 | 28.0 | 15.0 | 5.37 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 252.17000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Russian Federation (Bashkortostan) | P. parvum (220884) | |
| Asselian - Sakmarian | Russian Federation (Bashkortostan) | P. sp. (217202) | |
| Sakmarian | Russian Federation (Bashkortostan) | P. tastubense (217201) | |
| Artinskian | Kazakhstan | P. tastubense, P. aktastense, P. incallidum (116788) | |
| Artinskian | Russian Federation (Bashkortostan) | P. aktastense (217205) | |
| Wuchiapingian | Azerbaijan | P. probum (82114) | |
| Changhsingian | Tajikistan | P. sp. (95476) |