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Taxonomy
Cyclognathina was named by Lermontova (1951) [Sepkoski's age data: Cm Fran-u Cm Trep-u Sepkoski's reference number: 380]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Olenidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Olenidae by Jell and Adrain (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Cyclognathina Lermontova |
| 2002 | Cyclognathina Jell and Adrain p. 361 |
| 2002 | Cyclognathina 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. †Cyclognathina Lermontova 1951
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Taoyuanian or 495.20000 to 486.85000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Taoyuanian | Russian Federation (Sakha) | C. sp. (133610) |