Proaigialosaurus
Sign in to saveProaigialosaurus is an extinct genus of semi-aquatic diapsid reptile. The genus was erected by Kuhn (1958), based upon skull fragments, which have since been lost.
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Proaigialosaurus is an extinct genus of semi-aquatic diapsid reptile. The genus was erected by Kuhn (1958), based upon skull fragments, which have since been lost.
Generally considered the oldest specimen of the lizard family Aigialosauridae, others have considered it to be a pleurosaurid, a marine sphenodontian (the order to which the extant Tuatara belongs).
Excerpted from Wikipedia’s “Proaigialosaurus” article, available under the CC BY-SA 4.0 licence.