 Easily identified by their shell.  Top called carapace  Bottom called plastron ▪ May have one or two hinges to close the plastron.  Shells covered by scales called scutes.  Considered more intelligent than most reptiles.  No teeth  hard beak

 Sometimes called the fresh water “loggerhead”  Used for its meat.  Long tail with “spines” on it  Serration on back side of carapace  Beak that ends in a hook  Small plastron compared to other turtles  Loose warty skin on neck.  Omnivores

 Believed to be extirpated  Carapace olive to dark brown to black  Plastron is yellow to brown  Plastron is double hinged and has 11 scutes  Head is brown with yellow streaks

 Secrete foul-smelling yellowish fluid  High domed carapace  Small plastron – allows for greater movement  Olive-brown to dark grey  Generally two lighter stripes are on the head

 Olive or black carapace, which is smooth, oval and slightly flattened.  Red and black markings on the edge of the shell.  Plastron yellow or red with a dark blotch.  Bright yellow spots on the head.  Red and yellow stripes on neck, legs, and tail.

 Only three inches long  Black carapace with round yellow spots.  Head and legs also have yellow or orange spots.  Orange spot over eyes  Yellow plastron bordered with black

 Brown scutes that are keeled, with a pyramidal shape. (growth rings)  Plastron is yellow and has no hinges  Skin of neck and front legs is reddish orange.  Long tail.

 Endangered species  Carapace that is light brown to mahogany.  Hingeless plastron.  Black head with a yellow, orange, or red blotch on either side.

 Smooth helmet shaped carapace, which has yellowish spots.  Chin and throat are yellow  Hinged plastron

 Carapace is green to olive-brown.  Random yellow lines found on its back give it its name (looks like a map)  Distinct keel on carapace.  Exposed skin has narrow yellow lines  Yellow triangular spot behind each eye.

 Non native species  Population is from released pets  Looks similar to map, red bellied, and painted turtles.  Red patch or stripe behind the eye on the side of the head.  Tortuga.

 Threatened species  Brown to black shell with a reddish pattern.  Plastron is usually yellow to red but may be coral.  Notch at tip of upper jaw  Arrow shaped stripe runs on top of head to the snout.

 High domed carapace that is keeled.  Black or brown base with yellow, orange, or olive markings.  Plastron hinged  Males usually have red eyes while the females have yellow eyes.

 Entirely aquatic (lay eggs and bask)  The carapace is soft, olive in color  Slightly darker spots, bordered with black  Dark line around rim of carapace.  Streaks on feet.  Adult males have sandpaper like projections on shell  Nose is tubular (like a snorkel).