and two pairs of large elongated flippers

It had a long

which is the largest sea turtle in existence today

One of the most distinctive features of Platecarpus was its modified flipper-like limbs

Dimetrodon Variant:Unprimed and two pairs of largeDimetrodon (D. grandis, "Wedgetooth"), is an extinct genus of non mammalian synapsids that lived during the Kungurian Age of the Lower Permian, between 295 and 272 million years ago, was a terrestrial animal and is believed to have lived in swampy areas and river banks, near bodies of fresh water where they could find food. It is a member of the Sphenacodontidae family and is the best known of the Pelicosaurs, especially for its spectacular sail. It