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21 Cards in this Set
- Front
- Back
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Suborder Pleurodira |
"side-neck," bending neck laterally, family Chelidae and Pelomedusidae |
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Family Chelidae |
webbed feet, reduced shell, Austro-South American |
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Family Pelomedusidae |
Afro-South American, no cervical scutes, understudied |
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Suborder Cryptodira |
Bend neck sagitally (S shape) |
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Family Emydidae |
box and water turtles, largest and diverse group, well developed shells, 24 marginal scutes and 12 plastral scutes, males have concave plastron for breeding. |
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Family Cheloniidae |
Sea turtles, streamlined shells, head and limbs cannot retract |
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Family Dermochelyidae |
Leatherback, largest extant, longest ranging ecotherm, feeds exclusively on jellyfish |
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Family Trionychidae |
Softshell turtles, lack peripheral bones and no scutes on carapace. |
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Family Testudindae |
Tortoises, |
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Family Kinosternidae |
musky secretions from glands below carapace, 22 , marginal scutes and cervical scutes, fleshy barbels on chins. |
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Family Chelydridae |
Snapping turtles, 24 marginal scutes, widely separated ventral scutes. 3 knobby keels and small plastron. |
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Acrodont teeth |
fused to outer surface of bones in jaws, squamate families
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Pleurodont teeth |
Supported by shelf of bone along tooth, snakes and other squamates |
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Theocodont teeth |
Set in sockets of bone, mammals and archosaurs. |
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Anapsids |
Lacks temporal fenestration or temporal bars, ancestral. Testudines |
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Synapsids |
Have one temporal fenestration or temporal bar, mammalia |
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Diapsida |
Have two fenestrations or temporal bars, lepidosaurs and archosaurs |
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Carapace=Top Plastron=Bottom |
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Review Turtle Skull and skeleton |
pg 77-78 |
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Turtle Respiration |
Active respiration, muscles contract to move organs against, lungs to exhale, aquatic turtles can also respire through skin and cloaca. |
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Testudinata Phylogeny |
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