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Chrysemys

From Wikipedia, the free encyclopedia
Genus of reptile

Chrysemys
Temporal range:15–0 MaNeogene–recent[1]
Painted turtle(Chrysemys picta)
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Reptilia
Order:Testudines
Suborder:Cryptodira
Family:Emydidae
Subfamily:Deirochelyinae
Genus:Chrysemys
Gray, 1844
Species

See text

Chrysemys is a genus ofturtles in the familyEmydidae. They are found throughout most ofNorth America.[2]The species in the genus include thepainted and thesouthern paintedturtles.

Reproduction

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Chrysemys have temperature dependent sex determination. During egg incubation, lower temperatures produce males while higher temperatures produce females.[3]

Species

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There are two extant species:[2]

ImageScientific nameCommon nameDistribution
Chrysemys dorsalisAgassiz, 1857Southern painted turtlesouth-central United States.
Chrysemys pictaSchneider, 1783)Painted turtlesouthern Canada to northern Mexico

Fossil record

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Several fossil species have been described, dating back to theMiocene.

Fossil species

References

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  1. ^Ernst, Carl H.; Lovich, Jeffrey E. (2009).Turtles of the United States and Canada. JHU Press. pp. 184–185.ISBN 978-0-8018-9121-2.
  2. ^abChrysemys at theReptarium.cz Reptile Database. Accessed 12 October 2021.
  3. ^Bull, J.J. (1980). "Sex Determination in Reptiles".Quarterly Review of Biology.55 (1):3–21.doi:10.1086/411613.
  4. ^Jasinski, S.E. (2022). "A new species ofChrysemys (Emydidae: Deirochelyinae) from the latest Miocene-Early Pliocene of Tennessee, USA and its implications for the evolution of painted turtles".Zoological Journal of the Linnean Society. zlac084:149–183.doi:10.1093/zoolinnean/zlac084.
  5. ^abcJasinski, S.E. (2018)."A new slider turtle (Testudines: Emydidae: Deirochelyinae:Trachemys) from the late Hemphillian (late Miocene/early Pliocene) of eastern Tennessee and the evolution of the deirochelyines".PeerJ.6 e4338.doi:10.7717/peerj.4338.PMC 5815335.PMID 29456887.
  6. ^Weems, R.E.; George, R.A. (2013). "Amphibians and Nonmarine Turtles from the Miocene Calvert Formation of Delaware, Maryland, and Virginia (USA)".Journal of Paleontology.87 (4):570–588.Bibcode:2013JPal...87..570W.doi:10.1666/12-071.S2CID 86171253.

[1]

Chrysemys


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  1. ^Bull, J.J. (1980). "Sex Determination in Reptiles".Quarterly Review of Biology.55 (1):3–21.doi:10.1086/411613.
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