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Onchocephalina
Taxonomy
Onchocephalina was named by Repina (1960) [Sepkoski's age data: Cm Tojo Sepkoski's reference number: 474]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Antagmidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Antagmidae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Onchocephalina Repina |
| 2002 | Onchocephalina Jell and Adrain p. 414 |
| 2002 | Onchocephalina 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Toyonian or 512.10000 to 508.20000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lenian | Russian Federation (Kemorovo) | O. conspicua, O. flabilis, O. plana (57023) O. sp. (57024) | |
| Duyunian | China (Heilongjiang) | O. yichunensis (128446) | |
| Toyonian | Russian Federation (Khakasiya) | O. sp. (81319) | |
| Toyonian | Antarctica | O. spinosa (56050) |