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Chelus
Taxonomy
Chelus was named by Duméril (1806). It is extant. It is the type genus of Chelidae.
It was assigned to Chelinae by van Dijk et al. (2014); to Chelidae by Maniel and de la Fuente (2016); and to Chelidae by Carroll (1988), de Broin and de la Fuente (1993), Frank and Ramus (1996), Gaffney et al. (2006), Oliveira and Romano (2007), Riff et al. (2010), Sanchez-Villagra and Scheyer (2010), de la Fuente et al. (2014) and Silva Lacerda et al. (2020).
It was assigned to Chelinae by van Dijk et al. (2014); to Chelidae by Maniel and de la Fuente (2016); and to Chelidae by Carroll (1988), de Broin and de la Fuente (1993), Frank and Ramus (1996), Gaffney et al. (2006), Oliveira and Romano (2007), Riff et al. (2010), Sanchez-Villagra and Scheyer (2010), de la Fuente et al. (2014) and Silva Lacerda et al. (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1806 | Chelus Duméril |
| 1988 | Chelus Carroll |
| 1993 | Chelus de Broin and de la Fuente p. 11 |
| 1996 | Chelus Frank and Ramus |
| 2006 | Chelus Gaffney et al. p. 33 |
| 2007 | Chelus Oliveira and Romano |
| 2010 | Chelus Riff et al. |
| 2010 | Chelus Sanchez-Villagra and Scheyer |
| 2014 | Chelus de la Fuente et al. |
| 2014 | Chelus van Dijk et al. |
| 2016 | Chelus Maniel and de la Fuente |
| 2020 | Chelus Silva Lacerda et al. |
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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. Chelus Duméril 1806
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†Chelus colombianus Wood 1976 [Chelus colombiana]
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Invalid names: Chelus lewisi Wood 1976 [synonym]
Chelus fimbriata Schneider 1783 [Mata mata]
Chelus fimbriatus Schneider 1783 [Mata mata]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Ernst and Barbour 1989, Hendy et al. 2009, Carroll 1988 | |||||
Age range
Maximum range based only on fossils: base of the Middle Eocene to the top of the Holocene or 47.80000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Collections (37 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenozoic | Brazil (Acre) | C. sp. (217771) | |
| Eocene - Pliocene | Brazil (Acre) | C. sp. (217781 217782 217788) | |
| Middle Eocene | Argentina (Chubut) | C. sp. (187591) | |
| Burdigalian | Colombia (Guajira) | C. sp., C. colombiana (190377) | |
| Burdigalian | Colombia (La Guajira) | C. sp. (157344 162005) | |
| Burdigalian | Venezuela (Lara) | C. colombianus (175185) | |
| Burdigalian | Colombia (Cundinamarca) | C. colombianus (190374) | |
| Middle Miocene | Peru (Loreto) | C. colombianus (224013) | |
| Middle Miocene | Colombia (Cesar) | C. sp. (176829) | |
| Middle Miocene | Colombia (Tolima) | C. colombianus (187595) | |
| Laventan | Colombia (Huila) | C. colombianus (187592) | |
| Laventan | Colombia (Tolima) | C. colombianus (187594) | |
| Tortonian | Brazil (Acre) | C. colombianus, C. lewisi (55602) C. sp. (136717 209089) | |
| Tortonian | Venezuela | C. sp. (200110) | |
| Tortonian | Venezuela (Falcon) | C. lewisi (136777) | |
| Late/Upper Miocene | Brazil (Acre) | C. colombianus (217875) C. sp. (136714 217877) | |
| Late/Upper Miocene | Venezuela (Falcón) | C. lewisi (63520) | |
| Late/Upper Miocene - Pliocene | Brazil (Acre) | C. colombiana (217872 217873) C. colombianus (217874) C. sp., C. lewisi, C. colombiana (217881) | |
| Pliocene | Brazil (Acre) | C. sp. (217817) | |
| Late/Upper Pliocene | Venezuela (Falcon) | C. sp. (122033) | |
| Pleistocene | Brazil (Amazonas) | C. sp. (217659) | |
| Pleistocene | Brazil (Acre) | C. sp. (217842 217847) | |
| Pleistocene | Brazil | C. sp. (65139) | |
| Holocene | Brazil (Acre) | C. sp. (217621 217816 217862) |