Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Chelydra (Snapping turtle)
Taxonomy
Chelydra was named by Schweigger (1812). It is extant. Its type is Testudo serpentina. It is the type genus of Chelydridae, Chelydroidea, Chelydrinae.
It was assigned to Paludinosa by Quenstedt (1882); to Chelydrinae by Lydekker (1889) and Hutchison (2008); to Testudines by Anquetin et al. (2009); to Cryptodira by Pérez-García et al. (2008) and Pérez-García and Ortega (2011); to Eucryptodira by Pérez-García (2012); and to Chelydridae by Cope (1875), Cope (1884), Hay (1902), Hay (1908), Hay (1930), Wilson (1967), Holman and Sullivan (1981), Carroll (1988), Shoshani et al. (1989), de Broin and de la Fuente (1993), Frank and Ramus (1996), Knauss et al. (2011), de la Fuente et al. (2014), van Dijk et al. (2014), Rhodin et al. (2017) and Cadena et al. (2017).
It was assigned to Paludinosa by Quenstedt (1882); to Chelydrinae by Lydekker (1889) and Hutchison (2008); to Testudines by Anquetin et al. (2009); to Cryptodira by Pérez-García et al. (2008) and Pérez-García and Ortega (2011); to Eucryptodira by Pérez-García (2012); and to Chelydridae by Cope (1875), Cope (1884), Hay (1902), Hay (1908), Hay (1930), Wilson (1967), Holman and Sullivan (1981), Carroll (1988), Shoshani et al. (1989), de Broin and de la Fuente (1993), Frank and Ramus (1996), Knauss et al. (2011), de la Fuente et al. (2014), van Dijk et al. (2014), Rhodin et al. (2017) and Cadena et al. (2017).
Synonyms
|
Synonymy list
Year | Name and author |
---|---|
1812 | Chelydra Schweigger |
1815 | Cheliurus Rafinesque |
1822 | Chelonura Fleming |
1822 | Ophichelone Jarocki |
1825 | Rapara Gray |
1825 | Saurochelys Latreille |
1835 | Emysaurus Dumeril and Bibron |
1875 | Chelydra Cope p. 16 |
1882 | Chelydra Quenstedt p. 149 |
1884 | Chelydra Cope |
1889 | Chelydra Lydekker p. 134 |
1902 | Chelydra Hay p. 446 |
1905 | Devisia Ogilby |
1908 | Chelydra Hay p. 223 |
1930 | Chelydra Hay p. 84 |
1967 | Chelydra Wilson p. 203 |
1981 | Chelydra Holman and Sullivan p. 139 |
1988 | Chelydra Carroll |
1989 | Chelydra Shoshani et al. p. 436 |
1993 | Chelydra de Broin and de la Fuente p. 11 |
1996 | Chelydra Frank and Ramus |
2008 | Chelydra Hutchison |
2008 | Chelydra Pérez-García et al. |
2009 | Chelydra Anquetin et al. |
2011 | Chelydra Knauss et al. |
2011 | Chelydra Pérez-García and Ortega |
2012 | Chelydra Pérez-García |
2014 | Chelydra de la Fuente et al. |
2014 | Chelydra van Dijk et al. |
2017 | Chelydra Cadena et al. |
2017 | Chelydra Rhodin et al. |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. Chelydra Schweigger 1812 [Snapping turtle]
show all | hide all
Chelydra acutirostris Peters 1862 [South American snapping turtle]
Chelydra rossignonii Bocourt 1868 [Central American snapping turtle]
Chelydra serpentina Linnaeus 1758 [Common snapping turtle]
hide
Invalid names: Chelydra emarginata Agassiz 1857 [synonym], Chelydra lacertina Schweigger 1812 [synonym], Chelydra laticarinata Hay 1916 [synonym], Chelydra osceola Stejneger 1918 [synonym], Chelydra sculpta Hay 1916 [synonym], Devisia mythodes Ogilby 1905 [synonym], Macrochelys floridana Hay 1907 [synonym], Testudo longicauda Shaw in Gray 1831 [synonym], Testudo serpentaria Wiedemann 1802 [synonym], Testudo serrata Pennant in Gray 1830 [synonym]
Invalid names: Cheliurus Rafinesque 1815 [nomen nudum], Chelonura Fleming 1822 [synonym], Devisia Ogilby 1905 [synonym], Emysaurus Dumeril and Bibron 1835 [synonym], Ophichelone Jarocki 1822 [synonym], Rapara Gray 1825 [synonym], Saurochelys Latreille 1825 [synonym]
Diagnosis
Reference | Diagnosis | |
---|---|---|
O. P. Hay 1908 | No supramarginal scutes. Orbit directed outward and upward. Tail with large scutes inferiorly (Boulenger). |
Measurements
part | N | mean | minimum | maximum | |||
---|---|---|---|---|---|---|---|
carapace height | 330 | 131.5 | 130.0 | 133.0 |
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
Source: f = family, c = class, subp = subphylum | |||||
References: Carroll 1988, Hendy et al. 2009, Ernst and Barbour 1989 |
Age range
Maximum range based only on fossils: base of the Barstovian to the top of the Holocene or 16.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 12.5 Ma
Minimum age of oldest fossil (stem group age): 12.5 Ma
Collections (30 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Barstovian | USA (Nebraska) | Chelydra sp. (18442) | |
Late/Upper Clarendonian | USA (Florida) | Chelydra sp. (18554) | |
Late/Upper Hemphillian - Blancan | USA (Indiana) | Chelydra serpentina (18320) | |
Late/Upper Hemphillian - Blancan | USA (Tennessee) | Chelydra sp. (26574) | |
Blancan | USA (Florida) | Chelydra floridana (19752 113275) | |
Blancan | USA (Nebraska) | Chelydra serpentina (19960) | |
Blancan | USA (Kansas) | Chelydra serpentina (19940) | |
Pleistocene | Ecuador (Santa Elena) | Chelydra sp. (185514) | |
Pleistocene | USA (Florida) | Chelydra serpentina (227368) | |
Pleistocene | USA (Maryland) | Chelydra serpentina (127111) | |
Pleistocene | USA (South Carolina) | Chelydra serpentina (65405) | |
Irvingtonian | USA (Florida) | Chelydra floridana (20308 20400) | |
Irvingtonian | USA (Kansas) | Chelydra serpentina (20390 20422) | |
Rancholabrean | USA (Florida) | Chelydra serpentina (20440) | |
Rancholabrean | USA (Nevada) | Chelydra serpentina (223356) | |
Late/Upper Pleistocene | USA (Florida) | Chelydra laticarinata, Chelydra sculpta (34269) Chelydra serpentina (154805) | |
Late/Upper Pleistocene | USA (Michigan) | Chelydra serpentina (200622 200623) | |
Late/Upper Pleistocene (interglacial) | USA (Georgia) | Chelydra serpentina (20604 20613) | |
Late/Upper Pleistocene | USA (Virginia) | Chelydra serpentina (82258 103358) | |
Late/Upper Pleistocene | USA (New Jersey) | Chelydra serpentina (201280) | |
Holocene | Canada (Quebec) | Chelydra serpentina (224189) | |
Holocene | USA (Florida) | Chelydra serpentina (227371) | |
Holocene | USA (Georgia) | Chelydra serpentina (152113) |