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William Kratz. Turtles, Tortoises, Terrapins Order: Chelonia. 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!. - PowerPoint PPT Presentation
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William Kratz
Turtles, Tortoises, Terrapins
Order: Chelonia
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
Turtle, Terrapin, or Tortoise?
Loggerhead Turtle Spotted Turtle
Galapagos Tortoise
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
Variety: The Spice of Life (survival)
Limb Modification Carnivore, Omnivore, Herbivore
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.
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.
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
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
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