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Siberiothyris
Taxonomy
Siberiothyris was named by Dagys (1968) [Sepkoski's age data: K Berr K Haut Sepkoski's reference number: 538]. Its type is Siberiothyris crassus.
It was assigned to Terebratulida by Sepkoski (2002); and to Boreiothyrididae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Boreiothyrididae by Williams et al. (2006).
Species
S. crassus (type species), S. gibberosus
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Siberiothyris Dagys p. 128 |
| 2002 | Siberiothyris Sepkoski |
| 2006 | Siberiothyris Williams et al. p. 2094 |
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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. †Siberiothyris Dagys 1968
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†Siberiothyris crassus Dagys 1968
†Siberiothyris gibberosus Dagys 1968
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 28.2 | 11.0 | 46.0 | 34.0 | 12.2 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Berriasian to the top of the Valanginian or 145.00000 to 132.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Berriasian | Russian Federation | S. sp. (2490 135566) | |
| Valanginian | Russian Federation | S. crassus (135576) S. sp. (2493) | |
| Early/Lower Hauterivian | Russian Federation | S. gibberosus (135618) |