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that could grow up to 3 meter (9
They had a laterally compressed body
7 feet long
The class Malacostraca is divided into five superorders: Phylocarida
These are authentic fossil trilobites found in the Wheeler Shale Formation
Pterodactylus antiquus, 1st described pterosaur #2 Dilophosaurus that could grow up toThe type specimen of the animal now known as Pterodactylus antiquus was the first pterosaur fossil ever to be identified. The first Pterodactylus specimen was described by the Italian scientist Cosimo Alessandro Collini in 1784. Pterodactylus is known from over 30 fossil specimens, and though most belong to juveniles, many preserve complete skeletons. Pterodactylus antiquus was a relatively small pterosaur, with an estimated adult wingspan of about 1.