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Rhipaeosaurus
Taxonomy
Rhipaeosaurus was named by Efremov (1940). It is not extant.
It was assigned to Nyctiphruretinae by Efremov (1940); to Rhipeosauridae by Olson (1962); to Rhipaeosauridae by Chudinov (1955), Carroll (1988) and Ivakhnenko (2008); and to Nycteroleteridae by Lee (2000) and Tsuji et al. (2012).
It was assigned to Nyctiphruretinae by Efremov (1940); to Rhipeosauridae by Olson (1962); to Rhipaeosauridae by Chudinov (1955), Carroll (1988) and Ivakhnenko (2008); and to Nycteroleteridae by Lee (2000) and Tsuji et al. (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Rhipaeosaurus Efremov p. 413 |
| 1955 | Rhipaeosaurus Chudinov p. 913 |
| 1962 | Rhipeosaurus Olson p. 22 |
| 1988 | Rhipaeosaurus Carroll |
| 2000 | Rhipaeosaurus Lee |
| 2008 | Rhipaeosaurus Ivakhnenko |
| 2012 | Rhipaeosaurus Tsuji et al. p. 56 |
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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: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Urzhumian to the top of the Early/Lower Severodvinian or 266.90000 to 259.51000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Urzhumian | Russian Federation | Rhipeosaurus sp. (22644) | |
| Urzhumian | Russian Federation (Bashkortostan) | R. tricuspidens (27341) | |
| Early/Lower Severodvinian | Russian Federation (Chuvasia Republic) | Rhipeosaurus tricuspidus (232565) |