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Cyclothyris zudakharica
Taxonomy
Cyclothyris zudakharica was named by Smirnova (2012). Its type specimen is PIN no. 4898/2823 and is a 3D body fossil. Its type locality is Tsudakhar (Unit 3), which is in an Aptian marine claystone/sandstone in the Gundara Formation of the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2012 | Cyclothyris zudakharica Smirnova p. 1234 figs. Pl. 3, Fig. 9; Fig. 24 |
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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.
†Cyclothyris zudakharica Smirnova 2012
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 7.20 | 6.60 | 8.20 | 7.15 | 0.591 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Late/Upper Aptian or 119.57000 to 113.20000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Aptian | Russian Federation | Cyclothyris zudakharica (type locality: 155705 155767 155770 155771) | |
| Late/Upper Aptian | Russian Federation | Cyclothyris zudakharica (155706) |