eocene epoch, jurassic period, interglacial, cretaceous period, permian period, triassic period, miocene epoch, devonian period, cambrian period, pleistocene epoch, mesozoic era, oligocene epoch, pliocene, paleozoic era, holocene epoch, australopithecus afarensis, australopithecines, australopithecus, placental mammal, tertiary period, conodonts, supercontinent, hadean, neolithic age, mya, laurasia, cenozoic, cenozoic era, faunas, neogene, upper paleolithic, stegodon, carboniferous period, pleistocene, gondwanaland, paleolithic age, habilis, sauropod dinosaur, noachian, ichthyosaurs, paranthropus, mesolithic, phanerozoic, homo erectus, archeopteryx, millennia, australopithecus africanus, shang dynasty, woolly rhinoceros, ostracods, camarasaurus, minoan civilization, eukaryote, homo heidelbergensis, flatfishes, prehistoric, quaternary period, hominids, placoderm, glaciation, ordovician, brachiopods, deglaciation, trilobites, datable, geoid, holocene, braincase, iguanodon, lungless, middle paleolithic, hominoid, magicicada, balsa raft, paleocene, hadrosaur, stromatolite, genus homo, preindustrial, monotreme, eocene, olduvai gorge, psittacosaurus, anthropoids, bryozoans, solstices, saturnian, lower palaeolithic, collared peccary, genus australopithecus, megafauna, tetrapod, aphelion, perihelion, epochs, laptev sea, eons, multicellular, sea scorpion, geochronology, mycenaean, hawaiian honeycreeper

tertiary, tertiary period

epoch

pliocene