Turtle Anatomy
Drawing courtesy of jeff dawson. The carapace and plastron are bony structures that usually join one another along each side of the body creating a rigid skeletal box.
This box composed of bone and cartilage is retained throughout the turtles life.
Turtle anatomy. In all species except the leatherback the external skeleton whose main purpose is to provide protection and support for internal organs is comprised of a bony shell which is itself divided into two halves. These turtles swim using all four feet in a way similar to the dog paddle with the feet on the left and right side of the body alternately providing thrust. Of the 356 known specie.
Reptile with an oval shell and a horned beak. The hawksbill sea turtle eretmochelys imbricata has a particular external anatomy. It has a very short tail and four short legs and moves very slowly.
The shell is composed of hard bone plates covered by scutes. The turtle shell has a top carapace and a bottom plastron. Turtles are reptiles of the order testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.
The lower plastron and the upper carapace. The scutes are made of keratin the primary substance in hair nails and hooves of other animals. Although only females leave the sea to enter sandy beaches and lay their eggs in exceptional cases some males have been observed very close to the shore in isolated beaches where the water is shallow and the sun covers most of their body.
The amphibious turtles normally have limbs similar to those of tortoises except the feet are webbed and often have long claws. The order testudines includes both extant and extinct species. The bony part of the shell is covered with a thin layer of keratin.
Turtle shell anatomy scutes turtles are reptiles whose protection comes from a shell. For more anatomy drawings please visit jeff dawsons turtle pages. Internal anatomy of a turtle.
Turtle may refer to the order as a whole or to fresh water and sea dwelling testudines. The anatomy of the sea turtle is unique in that it is one of the few creatures to have both an internal and external skeleton. The earliest known members of this group date from the middle jurassic making turtles one of the oldest reptile groups and a more ancient group than snakes or crocodilians.
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