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Sibyllonautilus darkensis
Taxonomy
Sibyllonautilus darkensis was named by Sobolev (1998). Its type specimen is TsSGM 2001/1 and is a 3D body fossil. Its type locality is Nekuchan Creek, sample H1-1/8-10p, Darka River basin, which is in a Fassanian marine siliciclastic in the Ulakhan-Krest Formation of the Russian Federation.
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Sibyllonautilus darkensis Sobolev p. 134 figs. Pl 1, fig 1; pl 3, fig 4; text-figs 1, 2 |
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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.
†Sibyllonautilus darkensis Sobolev 1998
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 46.5 | |||||
| shell diameter | 1 | 93.0 | |||||
| shell inflation | 1 | 24.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Russian Federation | Sibyllonautilus darkensis (124655) | |
| Fassanian | Russian Federation | Sibyllonautilus darkensis (133205 133206 type locality: 133207 133208 133209 133210) | |
| Ladinian | Russian Federation | Sibyllonautilus darkensis (124556) |