Chrysemys

Chrysemys is a genus of turtles in the family Emydidae. They are found throughout most of North America.^[2]

Chrysemys Temporal range: 15–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Neogene–recent[1]
Painted turtle (Chrysemys picta)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Emydidae
Subfamily:	Deirochelyinae
Genus:	Chrysemys Gray, 1844
Species
See text

Reproduction

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

Species

There are two extant species:^[2]

Image	Scientific Name	Common Name	Distribution
	Chrysemys dorsalis Agassiz, 1857	Southern painted turtle	south-central United States.
	Chrysemys picta Schneider, 1783)	Painted turtle	southern Canada to northern Mexico

Fossil record

Several fossil species have been described, dating back to the Miocene.

Fossil species

• Chrysemys corniculata^[4]

• Chrysemys idahoensis (sometimes included in Trachemys or Pseudemys)^[5]

• Chrysemys isoni^[6]

• Chrisemys timidus (may belong to distinct genus)^[5]
• Chrisemys williamsi (may belong to distinct genus)^[5]