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It survived from the Ordovician Period to the Permian Period throughout Europe and North America
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in this case
four juveniles and a hatchling about 1 m (3
Mesosaurus braziliensis, framed Stegosaurus It survived from the OrdovicianBeautiful plaque preserving a unique water dwelling early reptile form. Known from only South America and Africa, this distribution of Mesosaurus supports the understanding that these great continents were once joined together; Mesosaurus could easily swim rivers from one continent to another but salty oceans would have thwarted the freshwater creature from crossing an existing ocean. Mesosaurus sp. Early Permian (280 m. y. a.) Irati Formation Sao