snakes, lizards, crocodiles, alligators, tortoises, pythons, tarantulas, animals, creatures, amphibians, mammals, critters, arachnids, turtles, scorpions, iguanas, raptors, caimans, stingrays, copperheads, geckos, constrictors, spiders, gators, rattlesnakes, frogs, lemurs, species, birds, parakeets, crocodilians, arthropods, monitor lizard, toads, parrots, insects, tuataras, cats, cobras, caecilians, rattlers, salamanders, owls, coatis, crocs, macaws, opossums, fauna, dinosaurs, pangolins, emus, insectivores, dinos, slow loris, rodents, seahorses, snails, siamang, wildlife, marsupials, platypuses, massasauga, squirrels, sawfish, otters, orangutans, cassowary, king cobra, echidnas, ocelots, timber rattlesnake, fossils, arapaima, ibises, habitats, skink, possums, giraffes, tadpole shrimp, rabbits, guanacos, boa constrictor, invertebrates, carnivores, anacondas, damselflies, cheetahs, marmosets, wallabies, addax, armadillos, crustaceans, canids, gorillas, bullfrogs, gaboon viper, pacu, anteaters, gibbons, indigo snake, peccaries, felines, reptile, saurians, vertebrates, quadrupeds, fishes, mammal, cetaceans, mollusks, amphibian, carnivora, legless, arboreal, bacteria, dwelling, fossorial, insectivorous, limbless, oviparous, relation, teeth, uncommonly, vanishing, viviparous, 1-10, 1-3, 101, 2-1, 2-2, 2-4, 3-1

., allantois, alligator, amnion, amnios, amniota, amniotic sac, anapsida, archosaur, archosauria, archosaurian, archosaurian reptile, biauriculate heart, chorion, chronoperates paradoxus, claw, craniata, cretaceous, cretaceous period, cynodont, cynodontia, diadophis, diapsida, dinosaur, division cynodontia, ecdysis, edaphosauridae, exaeretodon, family edaphosauridae, gastric mill, gator, genus diadophis, genus exaeretodon, gideon algernon mantell, gizzard, hatch, herpetologist, herpetology, honey buzzard, ichthyosaur, ichthyosauria, ictodosauria, lepidosauria, mantell, molt, molter, molting, moult, moulter, moulting, nictitating membrane, order ichthyosauria, order ictodosauria, order ornithischia, order pterosauria, order saurischia, order sauropterygia, order squamata, order thecodontia, order therapsida, ornithischia, permian, permian period, pernis apivorus, pineal eye, pterosauria, reptile family, reptile genus, sagittarius serpentarius, saurian, saurischia, sauropterygia, scaled, scaley, scaly, secretary bird, sphenodon punctatum, squamata, subclass anapsida, subclass archosauria, subclass diapsida, subclass lepidosauria, subclass synapsida, subphylum craniata, subphylum vertebrata, synapsida, thecodontia, therapsida, third eye, third eyelid, triassic, triassic period, tuatara, turtle, ventriculus, vertebrata, yolk sac