Herpetology: Turtle and Crocodile Sexing/Identification

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Pseudemys concinna, River Cooter

Male in front, female in back. Males have much longer foreclaws

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Chrysemys picta, Painted Turtle

Male, long foreclaws

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Genus/Species?

Male/Female, Identifying Features?

Emydidae

Graptymus geographica, Northern Map Turtle

Male left, female right. Males are significantly smaller and have more oval-shaped shells

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Graptymus kohnii, Mississippi/False Map Turtle

Female left, male right. Males are significantly smaller and have more oval-shaped shells

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Graptymus nigrinoda, Black-knobbed Map Turtle

Unsure of sex, males have longer/thicker tails, slightly elongated foreclaws, and a vent farther back on the tail

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Graptymus flavimaculata, Yellow-blotched Map Turtle

Unsure of sex, males have longer/thicker tails, slightly elongated foreclaws, and a vent farther back on the tail

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Genus/Species?

Male/Female, Identifying Features?

Emydidae

Graptemys barbouri, Barbour’s Map Turtle

Unsure of sex, males have longer/thicker tails, slightly elongated foreclaws, and a vent farther back on the tail

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Genus/Species?

Male/Female, Identifying Features?

Emydidae

Graptymus ouachitensis, Ouachita Map Turtle

Unsure of sex, males have longer/thicker tails, slightly elongated foreclaws, and a vent farther back on the tail

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Genus/Species?

Male/Female, Identifying Features?

Emydidae

Trachemys scripta, Red-eared Slider

Female left, male right. Males have elongated foreclaws (seen here using to court female)

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Genus/Species?

Male/Female, Identifying Features?

Kinosternidae

Kinosternon subrubrum, Eastern Mud Turtle

Female left, male right. Males have thicker tails with thicker bases

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Genus/Species?

Male/Female, Identifying Features?

Kinosternidae

Sternotherus odoratus, Common Musk Turtle

Female left, male right. Males have thicker tails with thicker bases

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Genus/Species?

Male/Female, Identifying Features?

Kinosternidae

Sternotherus minor, Loggerhead Musk Turtle

Female left, male right. Males have thicker tails with thicker bases

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Genus/Species?

Male/Female, Identifying Features?

Testudinae

Gopherus sp., Gopher Tortoises

Males have a concave plastron, females have a flat plastron

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Terrapene carolina, Common Box Turtle

Male pictured in previous image. Males have a concave plastron, females have a flat plastron. Males also have redder eyes, females have brown eyes

Family?

Genus/Species?

Male/Female, Identifying Features?

Emydidae

Emys blandingii (formerly Emydoidea), Blanding’s Turtle

Unsure of sex. Males have a concave plastron, females have a flat plastron