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Painted turtle: Chrysemys picta: Least concern: Adults are 6–25 centimetres (2.4–9.8 in). [2] Pond slider: Trachemys scripta: Least concern: Non-native species. Adults are approximately 8.9–36.8 centimetres (3.5–14.5 in). [2] Western pond turtle: Actinemys marmorata or Emys marmorata: Vulnerable
The turtle shell is a shield for the ventral and dorsal parts of turtles (the order Testudines), completely enclosing all the vital organs of the turtle and in some cases even the head. [1] It is constructed of modified bony elements such as the ribs, parts of the pelvis and other bones found in most reptiles.
All species of sea turtle are listed in CITES Appendix I, restricting international trade of sea turtles and sea turtle products. [ 4 ] [ 110 ] However, the usefulness of global assessments for sea turtles has been questioned, [ 111 ] particularly due to the presence of distinct genetic stocks and spatially separated regional management units ...
The north end of the South Sound region has the only cross-Sound bridge, the Tacoma Narrows Bridge (technically two adjacent bridges since 2007). [29] [30] Interstate 5 and U.S. 101 form a semicircular pathway from Shelton to Tacoma around the South Sound, and Washington State Route 3 runs up from Shelton through the center of the Kitsap Peninsula.
The leatherback sea turtle (Dermochelys coriacea), sometimes called the lute turtle, leathery turtle or simply the luth, is the largest of all living turtles and the heaviest non-crocodilian reptile, reaching lengths of up to 2.7 metres (8 ft 10 in) and weights of 500 kilograms (1,100 lb).
The largest known turtle was Archelon ischyros, a Late Cretaceous sea turtle up to 4.5 m (15 ft) long, 5.25 m (17 ft) wide between the tips of the front flippers, and estimated to have weighed over 2,200 kg (4,900 lb). [10]
In contrast to their earth-bound relatives, tortoises, sea turtles do not have the ability to retract their heads into their shells. Their plastron, which is the bony plate making up the underside of a turtle or tortoise's shell, is comparably more reduced from other turtle species and is connected to the top part of the shell by ligaments without a hinge separating the pectoral and abdominal ...
Cryptodira is commonly called the "Hidden-Neck Turtles" or the "Inside-Neck Turtles". Cryptodira differ from Pleurodira (side-necked turtles) in that they lower their necks and pull the heads straight back into the shells, instead of folding their necks sideways along the body under the shells' marginals.