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Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

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Page 1: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Family Cheloniidae

Marine TurtlesPaddle-like limbs

- shaped carapaces covered in scutes

Include some of the largest living turtles

Page 2: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Family Cheloniidae

LoggerheadCaretta caretta

Green TurtleChelonia mydas

Atlantic HawksbillEretmochelys imbricata

Kemp’s RidleyLepidochelys kempi

Page 3: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Loggerhead

5 or more costal scutes1st costal touching nuchal3 scutes on bridge

costals

Page 4: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

LoggerheadPrefrontal scales

Page 5: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles
Page 6: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Green Turtle

4 costal scutes1st costal not touching nuchal4 scutes on bridge

costals

Page 7: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Green TurtlePrefrontal scale

Page 8: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Atlantic Hawksbill

4 costal scutes1st scute not touching nuchal4 scutes on bridge

Page 9: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Atlantic Hawksbill

Page 10: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Kemp’s Ridley

5 costal scutes1st costal scute touching nuchal4 scutes with pores on bridge

Page 11: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Kemp’s Ridley

Page 12: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Family Dermochelyidae

Leatherback TurtleDermochelys coriacea

Page 13: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Leatherback

Smooth, scute-less carapace7 prominent keels

Page 14: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Leatherback

Page 15: Family Cheloniidae Marine Turtles Paddle-like limbs - shaped carapaces covered in scutes Include some of the largest living turtles

Leatherback

Endothermic?!Core body temp of 25C

How?Large sizeLayer of blubberCountercurrent heat exchangersHigh metabolic rateHigh levels of hemoglobin


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