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Family Cheloniidae

Family Cheloniidae. Sea turtles. Characteristics – Sea Turtles. Class Reptilia – Order Testudines 6 out of 7 species have a hard outer carapace All sea turtles have evolved for the marine environment Dorsoventrally flattened ( aquadynamics ) Paddle-like arms and legs for swimming

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Family Cheloniidae

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  1. Family Cheloniidae • Sea turtles

  2. Characteristics – Sea Turtles • Class Reptilia – Order Testudines • 6 out of 7 species have a hard outer carapace • All sea turtles have evolved for the marine environment • Dorsoventrally flattened (aquadynamics) • Paddle-like arms and legs for swimming • Breath air, but are capable of anaerobic respiration • Most species are endangered Leatherback Sea Turtle • Herbivorous and omnivorous • After hatching on on beaches all turtles find their way to pelagic zones where they float in beds of sea weeds, after three to five years they return to the continental shelf at which they were born.

  3. Cheloniamydas – Green Sea Turtle • Among the largest sea turtles • Up to 700 lbs. • ~6 ft. in length • Live upwards of 80 years • Herbivorous adults – Sea grasses and algae • Thought to be responsible for their greenish fat from which their name is derived • Tropic and sub-tropic marine environments • Circumglobal • Endangered due to human activity • Hunting • Fishing • Chemical pollution • Habitat destruction

  4. Family Corytophanidae • Casqueheadlizards

  5. Characteristics - Casqueheadlizards • Class Reptilia – Suborder Lacertilia • Moderately sized lizards • Found in forests from Mexico to Ecuador • Laterally compressed bodies • Well developed crests • Used in defensive displays • Lateral side faces threat in order to appear larger • Unlike relatives their tails are unable to break off • Essential as a counter balance for a specific type of movement

  6. Basiliscusvittatus – Brown/Striped Basilisk • Tropical and subtropical wet, moist, and dry forests • Panama, Belize, Columbia, and Costa Rica • Can reach up to 61 cm in length • Three crests along head, body, and tail • Usually brown with black stripes • Primarily feed on insects • Sometimes referred to as the “Jesus Lizards” • Can run 10-20 meters across the surface of water • Younger/smaller basilisks can run further and farther than older/larger • https://www.youtube.com/watch?v=WpXHpXKZtws Female Male

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