Thylacoleonidae is a group of extinct meat-eating marsupials from Australia. The best known is Thylacoleo carnifex, also called the "marsupial lion". The family ranged from the Late-Oligocene to the Pliocene, with some species the size of a possum and others as big as a leopard. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Phyla Animals are a major group of organisms, classified as the kingdom Animalia or MetaÂzoa. ... Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Eutheria (excludes extinct ancestors) Afrosoricida Anagaloidea (extinct) Artiodactyla Carnivora Cetacea Chiroptera Cimolesta (extinct) Creodonta (extinct) Condylarthra (extinct) Dermoptera Desmostylia (extinct) Dinocerata (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Litopterna (extinct) Macroscelidea Mesonychia (extinct) Notoungulata (extinct) Perissodactyla Pholidota Plesiadapiformes... Orders Superorder Ameridelphia Didelphimorphia Paucituberculata Superorder Australidelphia Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Marsupials are mammals in which the female typically has a pouch (called the marsupium, from which the name Marsupial derives) in which it rears its young through early infancy. ... Suborders Vombatiformes Phalangeriformes Macropodiformes Diprotodontia is a large taxon of about 120 marsupial mammals including the kangaroos, wallabies, possums, Koala, wombats, and many others. ... See genus (mathematics) for the use of the term in mathematics. ... Binomial name Thylacoleo carnifex (Owen, 1858) The Marsupial Lion (Thylacoleo carnifex) is an extinct species of carnivorous marsupial, that lived in Australia from about 24 million years ago, during the late Oligocene, and became extinct about 50,000 years ago, at the end of the last ice age. ... In biological classification, family (Latin: familia, plural familiae) is 1) a rank or 2) a taxon in that rank. ... The Oligocene epoch is a geologic period of time that extends from about 34 million to 23 million years before the present. ... The Pliocene epoch (spelled Pleiocene in some older texts) is the period in the geologic timescale that extends from 5. ...
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