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Parastenopoceras
Taxonomy
Parastenopoceras was named by Ruzhentsev and Shimanskiy (1954) [Sepkoski's age data: P Leon]. Its type is Parastenopoceras khvorovae.
It was assigned to Domatoceratidae by Ruzhentsev and Shimanskiy (1954); to Grypoceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
It was assigned to Domatoceratidae by Ruzhentsev and Shimanskiy (1954); to Grypoceratidae by Teichert et al. (1964); and to Nautilida by Sepkoski (2002).
Species
P. khvorovae (type species)
Synonymy list
Year | Name and author |
---|---|
1954 | Parastenopoceras Ruzhentsev and Shimanskiy p. 98 |
1964 | Parastenopoceras Teichert et al. p. 436 |
2002 | Parastenopoceras Sepkoski |
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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. †Parastenopoceras Ruzhentsev and Shimanskiy 1954
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†Parastenopoceras khvorovae Ruzhentsev and Shimanskiy 1954
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
---|---|---|---|---|---|---|---|
shell height | 2 | 15.5 | - | - | 15.5 | - | |
shell diameter | 2 | 70.9 | 33.5 | 150.0 | 91.8 | 82.4 | |
shell inflation | 2 | 9.20 | - | - | 9.20 | - |
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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 295.50000 to 279.30000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Sakmarian | Japan | P. sp. (107622) | |
Artinskian | Russian Federation | P. khvorovae (116790) | |
Artinskian | Kazakhstan | P. khvorovae (116788) | |
Artinskian | Tajikistan | P. sp. (95472) |