miocene, ordovician, eocene, devonian, paleozoic, pliocene, oligocene, paleocene, mesozoic, cretaceous, pleistocene, proterozoic, silurian, paleogene, palaeozoic, precambrian, cretaceous period, turonian, jurassic period, triassic period, zechstein, dolomites, limestones, upper paleolithic, neogene, tertiary period, cambrian period, permian period, depositional, cenozoic, palaeocene, devonian period, campanian, graben, brachiopods, mesozoic era, faunas, supercontinent, archean, middle paleolithic, neocomian, noachian, breccia, upper carboniferous, ostracod, basalts, sedimentary, clastic, mesolithic, archaean, sarmatian, dinosaurs, shales, eocene epoch, andesite, interglacial, holocene, pleistocene epoch, anticline, silicic, mineralization, footwall, gabbro, facies, homo heidelbergensis, porphyry, trilobites, stratigraphy, hornfels, lavas, schists, taxa, stratiform, siltstone, crinoids, detrital, evaporite, archaeopteryx, lithology, pelitic, stockwork, carboniferous period, ichthyosaurs, syenite, overthrust, carboniferous, cenozoic era, granodiorite, miocene epoch, anticlines, phanerozoic, gondwanaland, iguanodon, diamondiferous, megafauna, tetrapod, carbonate, placentals, claystone, deglaciation, glaciation, diorite, jurassic, permian, tertiary, cambrian, strata, pennsylvanian, cherts, floras, nonmarine, mississippian

bird-footed dinosaur, coelophysis, conodont, cynodontia, division cynodontia, genus coelophysis, genus eoraptor, genus herrerasaurus, genus pisanosaurus, genus protoavis, ictodosauria, labyrinthodonta, labyrinthodontia, order ictodosauria, order rhynchocephalia, order thecodontia, order therapsida, pangaea, pangea, protoavis, rhynchocephalia, superorder labyrinthodonta, superorder labyrinthodontia, thecodontia, therapsida, theropod, theropod dinosaur

age of reptiles

geological period, period