litoptern — ▪ extinct mammal any of various extinct hoofed mammals (mammal) that first appeared in the Paleocene Epoch (which began about 65.5 million years ago) and died out during the Pleistocene Epoch (which ended about 11,800 years ago). The order was… … Universalium
litoptern — noun Any of several extinct hoofed mammals, of the order Litopterna, from the Cenozoic period … Wiktionary
litoptern — li·top·tern … English syllables
litoptern — līˈtäpˌtərn noun ( s) Etymology: New Latin Litopterna : one of the Litopterna … Useful english dictionary
Great American Interchange — The Great American Interchange was an important paleozoogeographic event in which land and freshwater fauna migrated from North America via Central America to South America and vice versa, as the volcanic Isthmus of Panama rose up from the sea… … Wikipedia
Pliocene — The Pliocene epoch (spelled Pleiocene in some older texts) is the period in the geologic timescale that extends from 5.332 million to 1.806 million years before present.The Pliocene is the second epoch of the Neogene period in the Cenozoic era.… … Wikipedia
Litopterna — Taxobox status = Fossil image width = 250px image caption = Macrauchenia name = Litopterna regnum = Animalia phylum = Chordata classis = Mammalia infraclassis = Eutheria superordo = †Meridiungulata ordo = †Litopterna ordo authority = Ameghino,… … Wikipedia
Pleistocene megafauna — is the set of species of large animals mdash; mammals, birds and reptiles mdash; that lived on Earth during the Pleistocene epoch and went extinct in a Quaternary extinction event. These species appear to have died off as humans expanded out of… … Wikipedia
Walking with Beasts — Infobox Television show name = Walking with Beasts genre = Documentary runtime = 30 min. developer = Andrew Wilks producer = Jasper James executive producer = Tim Haines starring = Karyn Drane, Cory Generoux, Lorne Duquette, Delvin Opissinow,… … Wikipedia
Macraucheniidae — Taxobox name = Macraucheniidae status = Fossil image width = 250px image caption = Macrauchenia regnum = Animalia phylum = Chordata classis = Mammalia ordo = †Litopterna familia = †Macraucheniidae familia authority = Gill, 1872 Macraucheniidae is … Wikipedia