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Cyclanorbis
Taxonomy
Cyclanorbis was named by Gray (1854). It is extant.
It was assigned to Trionychidae by Carroll (1988) and Frank and Ramus (1996); to Cyclanorbinae by van Dijk et al. (2014); and to Cyclanorbinae by Georgalis and Joyce (2017).
It was assigned to Trionychidae by Carroll (1988) and Frank and Ramus (1996); to Cyclanorbinae by van Dijk et al. (2014); and to Cyclanorbinae by Georgalis and Joyce (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Cyclanorbis Gray |
| 1988 | Cyclanorbis Carroll |
| 1996 | Cyclanorbis Frank and Ramus |
| 2014 | Cyclanorbis van Dijk et al. |
| 2017 | Cyclanorbis Georgalis and Joyce |
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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. Cyclanorbis Gray 1854
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Cyclanorbis elegans Gray 1869
Cyclanorbis senegalensis Dumeril and Bibron 1835
†Cyclanorbis turkanensis Meylan et al. 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subp = subphylum | |||||
| References: Carroll 1988, Ernst and Barbour 1989 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Pliocene to the top of the Holocene or 5.33300 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 3.6 Ma
Minimum age of oldest fossil (stem group age): 3.6 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene - Pliocene | Uganda | C. sp. (22215 22442 22451) | |
| Early/Lower Pliocene | Kenya (Turkana District) | C. turkanensis (185321) | |
| Early/Lower Pliocene | Kenya | C. turkanensis (232486) | |
| Pliocene | Malawi | C. urahensis (22271) | |
| Pliocene - Pleistocene | Malawi | C. senegalensis (22327) | |
| Pliocene - Pleistocene | Uganda | C. sp. (22199) | |
| Pleistocene | Kenya | C. elegans (185323) C. senegalensis (185324) | |
| Holocene | Mali | C. senegalensis (195271 195272) |