be+extinct
121EW — extinct in the wild (in the IUCN Criteria for threatened species, a taxon is Extinct in the Wild when it is known only to survive in cultivation, in captivity or as a naturalised population (or populations) well outside the past range. A taxon …
122litoptern — ▪ 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… …
123Notoungulata — ▪ extinct mammal extinct group of hoofed mammals (mammal) found as fossils (fossil), mostly in South America, although the oldest forms seem to have originated in East Asia. Notoungulates lived from the late Paleocene Epoch (about 57… …
124Rhipidistia — ▪ extinct fish extinct group of lobe finned bony fishes of the order Crossopterygii that included the ancestors of amphibians and the other terrestrial vertebrates. The Rhipidistia were common during the Devonian (the Devonian Period lasted …
125EX — extinct (in the IUCN Criteria for threatened species, a taxon is Extinct when there is no reasonable doubt that the last individual has died); from, according to. Sometimes used within an author citation, q.v …
126Egyptian language — Extinct Afro Asiatic language of the Nile River valley. Its very long history comprises five periods: Old Egyptian (с 3000–с 2200 BC), best exemplified by a corpus of religious inscriptions known as the Pyramid Texts and a group of… …
127Elgon, Mount — Extinct volcano on the Kenya Uganda border. Located northeast of Lake Victoria, its crater, about 5 mi (8 km) in diameter, contains several peaks, of which Wagagai, at 14,178 ft (4,321 m), is the highest. The Bantu speaking Gishu (Gisu) occupy… …
128Gothic language — Extinct Germanic language spoken by the Goths. Its records antedate those of other Germanic languages by about four centuries. Best known from a translation of the Bible into Gothic in AD 350, it died out among the Ostrogoths after the fall of… …
