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Pelycosaurus

Pelycosaurus

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2023-07-18 Snargl 0 minute 0 second

Where does the Pelycosaurus live?

Pelycosaurus is an informal name for a group of primitive synapsids that lived during the Late Paleozoic era, about 308 to 260 million years ago.

Pelycosaurus fossils have been found mainly in Europe and North America, although some small, late-surviving forms are known from Russia and South Africa.

Some of the well-known pelycosaurs include Dimetrodon, Sphenacodon, Edaphosaurus, and Ophiacodon.
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What does the Pelycosaurus look like?

A pelycosaur is an ancient animal that is related to mammals, but not to reptiles.

Pelycosaurs had a variety of shapes and sizes, but some common features were:
  • A single hole in the skull behind each eye, where muscles attached to the jaw.
  • Differentiated teeth, such as sharp canines and flat molars, for different functions.
  • A bony spine or sail on the back, supported by long neural spines, which may have helped with thermoregulation or display.
  • A sprawling posture, with legs positioned on the sides of the body, rather than underneath.
Some well-known pelycosaurs include Dimetrodon, Edaphosaurus, and Ophiacodon.

Pelycosaurs lived during the Late Carboniferous and Early Permian periods, about 308 to 260 million years ago.

They were mostly found in Europe and North America, but some fossils have also been discovered in Russia and South Africa.

Pelycosaurs are considered the ancestors of therapsids, which later evolved into mammals.
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