cretaceous, cretaceous period, jurassic, jurassic period, triassic, triassic period

paleozoic, cenozoic, palaeozoic, paleocene, triassic, ordovician, cretaceous, pliocene, neogene, cretaceous period, devonian, oligocene, archaean, tertiary period, jurassic period, triassic period, orogenic, permian period, devonian period, cenozoic era, porphyritic, archean, phanerozoic, silicic, paleozoic era, cambrian period, mesozoic era, hornblende, granitic, basaltic, turonian, clastic, pleistocene epoch, arcuate, interbedded, middle paleolithic, upper paleolithic, silurian, noachian, sedimentary, stegodon, chloritic, alkalic, calcareous, depositional, fossil, eocene epoch, dioritic, igneous, dacitic, anorthosite, dunite, basinal, homo erectus, peccary, siliceous, pelitic, amphibolite, mammuthus, oligocene epoch, rhyolitic, palaeo, colluvial, extensional, syenite, huronian, dacite, hydrothermal, stratiform, foliated, mesolithic, miocene epoch, argillaceous, monotreme, carboniferous, holocene, phyllosilicate, relict, prehistoric, surficial, quaternary period, vertebrate, sedimentary rock, andesite, detrital, muscovite, theropod dinosaur, auriferous, deformational, lithic, interglacial, illite, homo heidelbergensis, gneissic, graphitic, placental mammal, ferruginous, paleo, hominoid, coprolite, magmatic, biogeographic, tertiary, jurassic, eocene, miocene, pleistocene, cambrian, pennsylvanian, quaternary, permian, precambrian, strata, liassic, variscan, neoproterozoic

belemnitidae, cordaitales, cycadales, dinosaur, family belemnitidae, ichthyosaur, order cordaitales, order cycadales

era

age of reptiles, mesozoic era