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Neosaurus

Extinct genus of synapsids From Wikipedia, the free encyclopedia

Neosaurus
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Neosaurus ('New Lizard') is an extinct genus of pelycosaur-grade synapsids from the Late Carboniferous-Early Permian of the Jura region of France. It is known only from a partial maxilla or upper jaw bone and an associated impression of the bone.[1] The teardrop shape of the teeth in the jaw indicate that Neosaurus belongs to the family Sphenacodontidae, which includes the better-known Dimetrodon from the Southwestern United States. The maxilla was first attributed to an early diapsid reptile in 1857,[2][3] and later a crocodylomorph in 1869,[4] before finally being identified as a sphenacodont synapsid in 1899,[5] a classification that still holds today.[6]

Quick Facts Scientific classification, Type species ...

A species of the hadrosaur dinosaur Hypsibema, H. missouriensis, is also called Neosaurus, although because the name was already in use, that species was renamed Parrosaurus before being reassigned to Hypsibema.[7]

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