Bartonian — The Bartonian (also known as the Auversian) is a stage of the middle Eocene Epoch. It spans the time between 40.4 ± 0.2 Ma and 37.2 ± 0.2 Ma (million years ago).ee also* List of fossil sites (with link directory) References *… … Wikipedia
Bartonian Stage — ▪ geology the third of four divisions (in ascending order) of Eocene (Eocene Epoch) rocks, representing all rocks deposited worldwide during the Bartonian Age (40.4 million to 37.2 million years ago) of the Paleogene Period (65.5 million to … Universalium
Eocene — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Penguin — Taxobox name = Penguins fossil range = Paleocene Recent image width = 250px image caption = Gentoo Penguin, Pygoscelis papua regnum = Animalia phylum = Chordata classis = Aves infraclassis = Neognathae ordo = Sphenisciformes ordo authority =… … Wikipedia
Oligocene — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Danian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Selandian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Chattian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Eocene Epoch — Major division of the Tertiary Period, from 54. 8 to 33.7 million years ago. It follows the Paleocene Epoch and precedes the Oligocene Epoch. The name, derived from the Greek eos ( dawn ), refers to the dawn of recent life; during the Eocene, all … Universalium