"Several Plesiosaurs of the species Plesiosaurus brachypterygius (now Hydrorion brachypterygius), measuring about 10 feet in length, sun themselves on the sandy shore of the Lower Triassic sea, in which a shoal of Ichthyosaurs can be seen."
Prehistoric Sea Monsters. Written by Dr. Josef Augusta. Illustrated by Zdeněk Burian. 1966.
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