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The common snapping turtle, as its name implies, is the most widespread. [4] The common snapping turtle is noted for its combative disposition when out of the water with its powerful beak-like jaws, and highly mobile head and neck (hence the specific epithet serpentina, meaning "snake-like"). In water, it is likely to flee and hide underwater ...
The largest living species of turtle (and fourth-largest reptile) is the leatherback turtle, which can reach over 2.7 m (8 ft 10 in) in length and weigh over 500 kg (1,100 lb). [9] 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 ...
[9] [10] A third species, the Apalachicola snapping turtle (M. apalachicolae), has been proposed, [9] but is generally not recognized. [8] [10] [11] The alligator snapping turtle is given its common name because of its immensely powerful jaws and distinct ridges on its shell that are similar in appearance to the rough, ridged skin of an alligator.
The extant genera are the snapping turtles, Chelydra and Macrochelys. Both are endemic to the Western Hemisphere . The extinct genera are Acherontemys , Chelydrops , Chelydropsis , Emarginachelys , Macrocephalochelys , Planiplastron , and Protochelydra .
Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology.
The Gulf snapping turtle is a large, brown to dark brown, short-necked turtle. Its carapace , or upper shell, reaches 35 centimetres (14 in) in straight carapace length; it has an undulating suture between the humeral and pectoral shields in the white plastron , or under shell. [ 12 ]
The Central American snapping turtle hunts by luring its prey with four to six barbels around the mouth, as well as wriggling its tongue, while it sits motionless underwater with its mouth agape. The turtle randomly moves its barbels and tongue to appear to be small worms, attracting prey closer; when in striking-range, the turtle suddenly ...
This species appears to exhibit sexual dimorphism, with males tending to be larger than females.In samples from six distinct ecological reaches running downstream between White Springs and Suwannee Estuary, mature females were found to have a straight-midline carapace length between 351-550 mm, while mature males had a straight-midline carapace length between 451-650 mm. Males found had an ...