...group known as “reptiles” (turtles, snakes, lizards,...
...legs of amphibians, reptiles, and mammals. Acanthostega...
...vertebrates commonly called reptiles, including turtles, lizards,...
...eggs of many reptiles are flexible. Most...
...with all modern reptiles, birds, and mammals...
...synapsids included mammal-like reptiles, the therapsids, from...
...groups of modern reptiles (depending on the...
...flying, and land-based reptiles. During the early...
...neither dinosaurs nor reptiles represent monophyletic taxa...
...probably be called “reptiles” if we saw...
...in all amniotes Reptiles have several adaptations...
...in dry air. Reptiles obtain all their...
...gas exchange. Most reptiles lay shelled amniotic...
...from its mother. Reptiles, sometimes labeled “cold-blooded,”...
...temperature. However, many reptiles regulate their body...
...of their own, reptiles are more appropriately...
...of equivalent size. Reptiles were far more...
...million years ago. Reptiles became the dominant...
...pterosaurs, or flying reptiles. Pterosaurs had wings...
...species of extant reptiles, classified into four...
...numerous and diverse reptiles alive today. Most...
...snakes evolved from reptiles with legs. Snakes...
...the largest living reptiles. They spend most...
...began as feathered reptiles Birds evolved during...
...than those of reptiles or amphibians) support...
...teeth of most reptiles, the teeth of...
...of mammals from reptiles, two bones formerly...

...diversified into amphibians, reptiles (including birds), and...
...fishes, lobe-fins, amphibians, reptiles (including birds), and...
...the mammals and reptiles (including birds). The...
...eggs of many reptiles are flexible. The...
...for the earliest reptiles that lived some...
...million years ago. Reptiles have several adaptations...
...the skin of reptiles, preventing abrasion and...
...dry air. Most reptiles lay shelled amniotic...
...its mother. Nonbird reptiles are sometimes labeled...
...their own, nonbird reptiles are more appropriately...
...warm through metabolism. Reptiles have diversified considerably...
...major group of reptiles to emerge was...
...ancient clade of reptiles, the diapsids, was...
...number of marine reptiles, including plesiosaurs and...
...species of lizard-like reptiles found on only...
...eggs, eliminating the reptiles on the main...
...numerous and diverse reptiles (apart from birds)...
...distinctive group of reptiles alive today. All...
...the largest living reptiles. The earliest members...
...those of nonbird reptiles or amphibians) support...
...teeth of most reptiles, the teeth of...
...pterosaurs, and marine reptiles during the late...