Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Pseudemys (cooter)

Reptilia - Testudines - Emydidae

Taxonomy
Pseudemys was named by Gray (1856) [see Webb (1995) for date of publication in 1856 and not 1855]. It is extant. Its type is Testudo concinna.

It was synonymized subjectively with Chrysemys by Boulenger (1889).

It was assigned to Emydinae by Estes (1964), Bickham (1975), Holman (1985) and Seidel and Smith (1986); to Deirochelyinae by Parham et al. (2008) and van Dijk et al. (2014); and to Emydidae by Cope (1875), Hay (1930), Holman et al. (1990), Frank and Ramus (1996), Vlachos (2018) and Weems (2023).

Synonyms
Synonymy list
YearName and author
1856Pseudemys Gray p. 33
1857Ptychemys Agassiz p. 431
1857Nectemys Agassiz p. 642
1875Pseudemys Cope p. 52
1930Pseudemys Hay p. 97
1964Pseudemys Estes p. 99
1975Pseudemys Bickham p. 203
1985Pseudemys Holman
1986Pseudemys Seidel and Smith p. 246
1990Pseudemys Holman et al. p. 524
1996Pseudemys Frank and Ramus
2008Pseudemys Parham et al.
2014Pseudemys van Dijk et al.
2018Pseudemys Vlachos
2023Pseudemys Weems

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
RankNameAuthor
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
Pantestudinoidea
superfamilyTestudinoidea
familyEmydidaeRafinesque 1815
genusPseudemysGray 1856

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. Pseudemys Gray 1856 [cooter]
show all | hide all
Pseudemys alabamensis Baur 1893 [Alabama red-bellied turtle]
Pseudemys caelata Hay 1908
Pseudemys carri Rose and Weaver 1966
Pseudemys concinna Le Conte 1830 [eastern river cooter]
Pseudemys floridana Le Conte 1830 [peninsula cooter]
Pseudemys idahoensis Gilmore 1933
Pseudemys nelsoni Carr, Jr. 1938 [Florida red-bellied turtle]
Pseudemys rubriventris Le Conte 1830 [American red-bellied turtle]
Pseudemys texana Baur 1893
Pseudemys williamsi Rose and Weaver 1966
Invalid names: Nectemys Agassiz 1857 [synonym], Ptychemys Agassiz 1857 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwaterf
Locomotion: actively mobilec
Life habit: aquaticf
Diet: omnivoref
Reproduction: oviparousf
Created: 2005-08-26 14:20:16
Modified: 2005-08-26 16:20:16
Source: f = family, c = class, subp = subphylum
References: Uetz 2005, Carroll 1988, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Hemingfordian to the top of the Holocene or 20.43000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 15.97 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Hemingfordian20.43 - 15.97USA (Florida) Pseudemys sp. (18586 18597)
Langhian15.97 - 13.82USA (Florida) Pseudemys sp. (18569)
Early/Lower Clarendonian13.6 - 10.3USA (Florida) Pseudemys sp. (161374)
Late/Upper Clarendonian13.6 - 10.3USA (Florida) Chrysemys caelata, Pseudemys williamsi (18554)
Clarendonian - Hemphillian13.6 - 4.9USA (Florida) Chrysemys caelata (18541)
Tortonian11.62 - 7.246USA (Maryland) Pseudemys caelata (221449)
Hemphillian10.3 - 4.9USA (Florida) Chrysemys caelata (18563) Chrysemys caelata, Chrysemys williamsi (18560) Pseudemys sp. (18564) Pseudemys sp., Pseudemys nelsoni (18601)
early Early Hemphillian - late Early Hemphillian10.3 - 4.9USA (Florida) Pseudemys williamsi (18539)
Blancan4.9 - 1.8USA (Idaho) Pseudemys idahoensis (19808)
Blancan4.9 - 1.8USA (Florida) Pseudemys platymarginata (19753 19764) Pseudemys sp. (113275)
Pleistocene2.588 - 0.0117USA (Florida) Pseudemys nelsoni (227368) Pseudemys sp., Pseudemys concinna, Pseudemys nelsoni (206227)
Calabrian1.806 - 0.781USA (Virginia) Pseudemys sp. (104698)
Irvingtonian1.8 - 0.3USA (Florida) Pseudemys sp. (20400 26550 58089)
Irvingtonian1.8 - 0.3USA (Kansas) Pseudemys sp. (20332)
Irvingtonian1.8 - 0.3USA (Oklahoma) Pseudemys sp. (20484)
Rancholabrean0.3 - 0.012USA (Florida) Pseudemys indet. (20491) Pseudemys sp. (20440)
Late/Upper Pleistocene (late glacial)0.126 - 0.0117USA (Florida) Pseudemys sp. (154722)
Late/Upper Pleistocene0.126 - 0.0117USA (Georgia) Pseudemys concinna (13066)
Late/Upper Pleistocene0.126 - 0.0117Haiti (Navassa) Pseudemys sp. (190731)
Late/Upper Pleistocene0.126 - 0.0117USA (Florida) Pseudemys concinna, Pseudemys nelsoni (154804) Pseudemys floridana (34269) Pseudemys sp. (20638)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Florida) Pseudemys floridana (20650)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Georgia) Pseudemys concinna (20604)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117USA (Alabama) Pseudemys sp., Pseudemys cocinna (84181)
Holocene0.0117 - 0.0USA (Florida) Pseudemys nelsoni (227371)