australopithecus, hominids, paranthropus, bipedalism, australopithecus africanus, habilis, theropod, genus australopithecus, homo erectus, australopithecus afarensis, genus homo, erectus, archaeopteryx, forelimbs, anthropoids, archeopteryx, gracile, hominoid, ichthyosaurs, sauropods, tetrapods, placentals, tyrannosaur, braincase, flatfishes, psittacosaurus, devonian period, pterosaurs, robustus, theropod dinosaur, vertebrates, chordates, monotremes, triassic period, crocodilians, homo heidelbergensis, stegodon, mangabeys, sauropod dinosaur, archosaur, protoceratops, faunas, eukaryote, dinosaurs, placoderms, upper paleolithic, crinoids, sea scorpion, hadrosaur, cretaceous period, brachiosaurus, iguanodon, neandertal, placental mammal, pachycephalosaurus, giraffa camelopardalis, smilodon, apes, mammoths, sapiens, plesiosaurs, columbian mammoth, metazoan, pan troglodytes, sifaka, homo habilis, middle paleolithic, brachiopods, diplodocus, mammals, permian period, trilobites, allosaurus, coelophysis, fossils, aurochs, ankylosaurus, bryozoans, peccary, lineages, subfamily, utahraptor, megafauna, camarasaurus, africanus, laurasia, conodonts, woolly rhinoceros, gondwanaland, apatosaurus, jurassic period, ostracods, phylogenies, supercontinent, homo sapiens, baleen whale, ceratopsian, caecilians, horned dinosaur, gametophyte, angiosperms, cenozoic, hominid, amphibians, hominoids, primates, marsupials, homo, lemurs, cephalopods, crania, mammalia, potteries, reptiles, rhinoceroses