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Chicago Herpetological Society |
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Chicago Herpetological Society |
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| Common Map Turtle Graptemys geographica |
 Common Map Turtles have a yellow spot behind each eye. They differ from False Map Turtles and Ouachita Map Turtles by having a wide head, a low keel on the carapace and an immaculate yellow plastron. |
| Illinois
Natural History Survey Range Map |
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 Common Map Turtle juvenile. Note the egg tooth below the nostrils. |
 The umbilicus is still visible on this recently hatched Common Map Turtle. |
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