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Oligokyphus
Taxonomy
Oligokyphus was named by Hennig (1922).
It was assigned to Tritylodontia by Kuhn (1971); and to Tritylodontidae by Simpson (1928), Simpson (1929), Huene (1940), Sues (1985), Carroll (1988), Luo and Sun (1993).
It was assigned to Tritylodontia by Kuhn (1971); and to Tritylodontidae by Simpson (1928), Simpson (1929), Huene (1940), Sues (1985), Carroll (1988), Luo and Sun (1993).
Species
Synonymy list
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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. †Oligokyphus Hennig 1922
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†Oligokyphus biserialis Hennig 1922
†Oligokyphus lufengensis Luo and Sun 1993
†Oligokyphus major Kühne 1956
†Oligokyphus minor Kühne 1956
†Oligokyphus triserialis Hennig 1922
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Rhaetian to the top of the Pliensbachian or 205.70000 to 184.20000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhaetian | Germany (Baden-Württemberg) | O. triserialis, O. biserialis (131422) | |
| Hettangian | China (Yunnan) | O. lufengensis (49503) | |
| Hettangian - Sinemurian | USA (Arizona) | O. sp. (216632) | |
| Hettangian - Sinemurian | United Kingdom (Wales) | O. major, O. minor (46137) O. sp. (137123) | |
| Sinemurian - Pliensbachian | USA (Arizona) | O. sp. (27716 216645) | |
| Pliensbachian | United Kingdom (England) | O. major, O. minor (105605) |