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The necks of turtles are highly flexible, possibly to compensate for their rigid shells. Some species, like sea turtles, have short necks while others, such as snake-necked turtles, have long ones. Despite this, all turtle species have eight neck vertebrae, a consistency not found in other reptiles but similar to mammals. [31]
Other sea turtle species are smaller, ranging from as little as 60 cm (2 ft) long in the case of the Kemp's ridley, which is the smallest sea turtle species, to 120 cm (3.9 ft) long in the case of the green turtle, the second largest. [5] [12] The skulls of sea turtles have cheek regions that are enclosed in bone.
Genus Eretmochelys - hawksbill sea turtle; Genus Lepidochelys - ridley sea turtle; Genus Natator - flatback sea turtle; Family Dermochelyidae [6] Genus Dermochelys - leatherback sea turtle; Superfamily Kinosternoidea. Family Dermatemydidae [6] Genus Dermatemys - Central American river turtle; Family Kinosternidae [6] Genus Claudius - narrow ...
Example species Example image Chelidae Gray, 1831 : 15: Austro-American sideneck turtles: Common snakeneck turtle (Chelodina longicollis) Pelomedusidae Cope, 1868 : 2: Afro-American sideneck turtles: African helmeted turtle (Pelomedusa subrufa) Podocnemididae Gray, 1869 : 3: Madagascar big-headed, big-headed Amazon River turtle and South ...
Classification: Animals: Chordates: Vertebrates: Tetrapods: Reptiles: Turtles This category contains articles about the family in the order Testudines - the turtles. For individual species, see the appropriate subcategories.
Turtles of North America. Turtles , tortoises , and terrapins native to terrestrial−land , freshwater , and coastal marine ecosystems and habitats of North America , including in the sub-bioregions of Central America and the Caribbean .
One of the amazing turtle facts is that some turtle species are meat eaters, others omnivores, happily munching on a variety of meat, fish, and plants, while many types stick strictly to vegetation.
The following list of reptiles lists the vertebrate class of reptiles by family, spanning two subclasses. Reptile here is taken in its traditional ( paraphyletic ) sense, and thus birds are not included (although birds are considered reptiles in the cladistic sense).