Mesosaur: The Oldest Known Semi-Aquatic Reptile November 30, 2023, 11:04:15 AM Mesosaur: The Oldest Known Semi-Aquatic Reptile[html]The mesosaur helps researchers better understand reptile evolution and continental drift theory.[/html]Source: Mesosaur: The Oldest Known Semi-Aquatic Reptile (http://ht**://www.discovermagazine.c**/the-sciences/mesosaur-the-oldest-known-semi-aquatic-reptile) Quote Selected