period, pleistocene, deposits, age, boundary, times, time, strata, sediments, quaternary, uplift, epoch, surface, formations, beds, miocene, formation, mammals, fauna, transition, fossils, lower, deposit, gravels, periods, unconformity, marls, rocks, clay, clays, sands, era, climate, date, sounds, succession, flora, record, extension, upper, climates, occurrences, movements, geology, glaciations, trend, mollusca, peneplain, cranial, holocene, ages, volcanos, sequence, deformation, subsidence, sandstones, middle, drift, paleoceanography, orogeny, cutting, mammalia, reconstruction, basalts, floods, lakes, anthropogene, records, continued, origin, stratigraphy, seas, warmth, limestones, mammoth, clastics, sandstone, drifts, paleogeography, alluvia, penguins, submergence, sea, shells, gait, pachyderms, alluvium

late, early, upper, lower, middle, post, miocene, older, newer, latest, marine, later, pre, mid, earliest, uppermost, 239, oligocene, terminal, eocene, mio, water, probable, lowermost, oldest, continental, coast, fossiliferous, pleistocene, youngest, longawaited, transitional, messinian, basal, temperate, medial