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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Siberiothyris crassus
Taxonomy
Siberiothyris crassus was named by Dagys (1968). Its type specimen is IGiG 82/78 and is a 3D body fossil. Its type locality is Boyarka River, Khatanga region (Valanginian), which is in a Valanginian marine siliciclastic in the Russian Federation. It is the type species of Siberiothyris.
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Siberiothyris crassus Dagys p. 129 figs. Pl 24, 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.
†Siberiothyris crassus Dagys 1968
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 39.5 | 34.0 | 46.0 | 40.0 | 8.49 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Valanginian or 137.05000 to 132.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | Russian Federation | Siberiothyris crassus (type locality: 135576) |