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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pseudosvalbardiceras
Taxonomy
Pseudosvalbardiceras was named by Dagis and Ermakova (1988).
It was assigned to Olenikitinae by Guex et al. (2010).
It was assigned to Olenikitinae by Guex et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Pseudosvalbardiceras Dagis and Ermakova p. 34 |
| 2010 | Pseudosvalbardiceras Guex et al. 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. †Pseudosvalbardiceras Dagis and Ermakova 1988
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†Pseudosvalbardiceras asiaticum Zakharov 1978
†Pseudosvalbardiceras humboldtense Guex et al. 2005
†Pseudosvalbardiceras sibiricum Mojsisovics 1886
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Invalid names: Arctoprionites prontchischevi Zakharov 1978 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 37 | 11.9 | 4.90 | 19.5 | 13.0 | 3.31 | |
| shell diameter | 37 | 24.5 | 9.10 | 37.7 | 27.0 | 6.48 | |
| shell inflation | 37 | 4.38 | 1.70 | 8.20 | 4.40 | 1.68 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Spathian or 248.10000 to 246.70000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Olenekian | Russian Federation (Siberia) | P. sibiricum (72349 72352 72363 72364) | |
| Olenekian | Russian Federation | P. sibiricum (124541 124542) | |
| Spathian | Russian Federation | Arctoprionites prontchischevi, Svalbardiceras asiaticum (127717) Arctoprionites prontchischevi, Svalbardiceras sibiricum (123495) Meekoceras sibiricum (212542) P. asiaticum (107211) P. sibiricum (97058 107049 107190 123385 123387 123505) | |
| Spathian | USA (Nevada) | P. humboldtense (109430) |