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Nikitinoceras (Nikitinoceras) mokschensis
Taxonomy
Olcostephanus mokschensis was named by Bogoslowsky (1902) [DISTRIBUTION: Valanginian; Greenland, Russian Platform, Siberia.]. It is not a trace fossil.
It was recombined as Nikitinoceras (Nikitinoceras) mokschensis by Alsen (2006).
It was recombined as Nikitinoceras (Nikitinoceras) mokschensis by Alsen (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Olcostephanus mokschensis Bogoslowsky figs. pl. 3, figs. 2-3 |
| 2006 | Nikitinoceras (Nikitinoceras) mokschensis Alsen p. 67 |
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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.
†Nikitinoceras (Nikitinoceras) mokschensis Bogoslowsky 1902
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 20 | 17.6 | 11.0 | 25.0 | 17.0 | 3.76 | |
| shell diameter | 20 | 47.6 | 29.0 | 64.0 | 47.5 | 9.57 | |
| shell inflation | 20 | 14.7 | 9.30 | 19.1 | 15.2 | 2.56 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Valanginian or 137.05000 to 132.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Valanginian | Greenland | Nikitinoceras mokschensis (83742) | |
| Late/Upper Valanginian | Greenland | Nikitinoceras mokschensis (83715) | |
| Valanginian | Greenland | Nikitinoceras mokschensis (83741) |