Turn-Neck Turtles

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Turn-Neck Turtles
Smooth-backed snake-necked turtle (Chelodina longicollis)

Smooth-backed snake-necked turtle ( Chelodina longicollis )

Systematics
Superclass : Jaw mouths (Gnathostomata)
Row : Land vertebrates (Tetrapoda)
without rank: Amniotes (Amniota)
without rank: Sauropsida
Order : Turtles (Testudinata)
Subordination : Turn-Neck Turtles
Scientific name
Pleurodira
Cope , 1864

The turn-neck turtles (Pleurodira) place their heads laterally under the shell when they retract in a horizontal S-shaped movement. They represent the subordination of the turtles , which is younger compared to the Halsberger turtles , because they only formed in the chalk .

With them, the cervical vertebrae have strong spinous and lateral processes for the attachment of the neck muscles. Your pelvis has grown together with the shell.

All turn-neck turtles live in inland waters in the southern hemisphere, in Africa , Madagascar , Australia , New Guinea and South America .

Including fossil core group representatives, the subordination is narrower or broader depending on the author, in the former case the pan group is called Pan-Pleurodira and the crown group is called Pleurodira and in the latter case the crown group, which contains the recent Pleurodira, is called Eupleurodira.

Familys

literature

  • V. Storch, U. Welsch: Special Zoology. Part 2: vertebrates or skulls. 6th edition. Spectrum Akademischer Verlag Heidelberg / Berlin 2004, ISBN 3-8274-1112-2 .

See also: Systematics of the turtles

Web links

Commons : Turn-Neck Turtles (Pleurodira)  - Collection of images, videos and audio files