KnowraMesosaurusLinked fromLinked fromThe 6 pages that link to Mesosaurus, each with the reason it gives.All 6Broader topic 5Related 1GondwanaBroader topic: Its fossils on opposite sides of the South Atlantic challenged fixed-continent geography.Continental driftBroader topic: A freshwater animal could not cross an ocean, so its split range implied a once-joined coast.PaleobiogeographyBroader topic: Its limited marine tolerance makes matching fossils across the South Atlantic evidence of former land continuity.Early PermianRelated: Its distribution across Gondwana helps reconstruct ancient geography.ParareptiliaBroader topic: Their aquatic specialization contrasts with the predominantly terrestrial habits of many other parareptiles.Evolution of reptilesBroader topic: Its distribution provides early evidence of reptile adaptation to aquatic life.