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Cryptotreta
Taxonomy
Cryptotreta was named by Pel'man (1977) [Sepkoski's age data: Cm Tomm-u Cm Atda-u Sepkoski's reference number: 522,885]. It is the type genus of Cryptotretidae.
It was assigned to Articulata by Bengtson (1992); to Cryptotretidae by Williams et al. (2000); and to Paterinida by Sepkoski (2002).
It was assigned to Articulata by Bengtson (1992); to Cryptotretidae by Williams et al. (2000); and to Paterinida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Cryptotreta Pel'man |
| 1992 | Cryptotreta Bengtson p. 1030 |
| 2000 | Cryptotreta Williams et al. p. 153 |
| 2002 | Cryptotreta Sepkoski |
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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. †Cryptotreta Pel'man 1977
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Bambach et al. 2007, Nesnidal et al. 2013 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Russian Federation (Yakutia) | C. neguertchenensis (232980 233071) |