Millions of years ago, ancient marine reptiles propelled themselves through the water and across the seafloor. Now, trackways formed on an ancient seabed have shed some light on how these nothosaurs once moved.
About 252 to 66 million years ago during the Mesozoic, the seas were dominated by marine reptiles. One group of these reptiles was the nothosaurs, which were voracious, semi-aquatic hunters with long bodies and paddle-like limbs. About 245 years ago during the Triassic, these reptiles were the top p...
Also read: PC sales decline again