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William Kratz
Turtles, Tortoises, Terrapins
Order: Chelonia
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Appearing around 200 million years ago, reptiles of the order Chelonia inherited a unique anatomy that is unmistakable!
Today there are 11 distinguished families of Chelonia that contain about 295 different species.
Built to last!
inner boneylayer
vertebra
plastron
ribscutes
shouldergirdle
pelvicgirdle
carapace
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Turtle, Terrapin, or Tortoise?
Loggerhead Turtle Spotted Turtle
Galapagos Tortoise
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Variety: The Spice of Life (survival)
Shell Shapes Cryptodira or Peurodira
Domed
Streamlined Cryptodira (straight-necked) flex neck vertebrae verticallyPeurodira (side-necked) flex neck vertebrae laterally
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Variety: The Spice of Life (survival)
Limb Modification Carnivore, Omnivore, Herbivore
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Turtles Of PennsylvaniaBog Turtle, Glyptemys muhlenbergii Blanding’s Turtle, Emydoidea blandingii
Endangered Species
3-4 inches in length
Lives in bogs and wet meadows with tussock grass
Candidate Species
6-11 inches in length
Prefers poorly drained lowlands, marshes, wet meadows, ponds, and slow-moving streams.
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Turtles Of PennsylvaniaEastern Box Turtle, Terrapene carolina carolina
Spotted Turtle, Clemmys guttata
Species of Special Concern
5-8 inches in length
Lives in deciduous woodlands, old fields, pastures, and marshy areas.
Species of Special Concern
3.5-4.5 inches in length
Marshes, wet meadows, swamps, bogs, and shallow borders of ponds, lakes and streams for habitat.
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Turtles Of PennsylvaniaNorthern Redbelly Cooter,Pseudemys rubriventris rubriventris
Midland Smooth Softshell Turtle,
Apalone mutica mutica
Threatened Species
10-12.5 inches in length
Prefers large lakes, ponds, slow-moving rivers, creeks and marshes.
Extirpated Species
6-13.4 inches in length
Only found in large rivers
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Pecor, K. 2003. "Testudines" (On-line), Animal Diversity Web. Accessed March 15, 2011 http://animaldiversity.ummz.umich.edu/site/accounts/information/Testudines.html.
Smithsonian Institution. (2001). ANIMAL (pp. 366-375). New York, NY: DK Publishing, Inc
Turtles of Pennsylvania. (2008). In Pennsylvania Herp Identification online guide to reptiles & amphibians of PA. Retrieved March 15, 2011, from http://www.paherps.com/herps/turtles
References:
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