"Prehistoric reptiles" refers to reptiles that lived on Earth a long time ago, even before humans existed. They are ancient creatures that roamed the Earth during a period of history called the prehistoric era. Full definition
The action of the game takes players to a near future, in which human scientists managed to develop a technology allowing them to recreate the DNA of prehistoric reptiles. (gamepressure.com)
«Prehistoric reptile pregnant with octuplets.» (sciencedaily.com)
These species and their whale - carcass cohort are helping marine biologists and paleontologists determine exactly how long large, dead marine animals have been hosting these rich communities of decomposers, and whether or not the whale falls of today look eerily like the organic falls of a time when prehistoric reptiles ruled the seas. (discovermagazine.com)