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000�36
It is a distant relative of the modern-day snapping turtle
Apatosaurus tail vertebra
Living sharks range in size from less than 1 foot long to over 20 feet long in the case of the Great White shark Carcharodon caracharocles
How Fossils Are Formed
Pterosaur, Pteranodon 5 Foot Hanging Model Pachycephalosaurus 000�36Pterosaurs meaning "winged lizard" are flying reptiles of the extinct clade or order Pterosauria. They existed from the late Triassic to the end of the Cretaceous (228 to 66 million years ago. Pterosaurs are the earliest vertebrates known to have evolved powered flight. Their wings were formed by a membrane of skin, muscle, and other tissues stretching from the ankles to a dramatically lengthened fourth finger. Early species had long, fully toothed