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Glossotherium
''Glossotherium'' (literally "Tongue Beast") was a genus of ground sloth. It was a heavily built animal with a length of about snout to tail-tip and a weight estimated at 1002.6 kg (2210.3 lbs), and could potentially assume a slight bipedal stance.〔http://sedici.unlp.edu.ar/handle/10915/16838?show=full (in spanish)〕
==Description==
Sloths are grouped into three categories: mylodontids, megalonychids, and megatheriids. ''Glossotherium'' belongs to the Mylodontidae, in which it is further subcategorized into the Mylodontinae, characterized both by the loss of the entepicondylar foramen of the distal humerus and anteriorly broad snouts.
Mylodontinae has five genera: ''Lestodon'', ''Thinobadistes'', ''Mylodon'', ''Paramylodon'', and ''Glossotherium''. The latter three have frequently been confused for each other in scientific literature,〔 though it is likely ''Paramylodon'' and ''Glossotherium'' share a more recent common ancestor than with any other mylodontid. ''Paramylodon'' is typically larger than ''Glossotherium'', even though there is overlap in their size ranges, and ''Glossotherium'' is generally wider and more robust with a diagnostic increased amount of lateral flare at the predental spout.〔
''Glossotherium robustum'' was endemic to South America and weighed about 1500 kg. Pleistocene records indicate that it was widely distributed between 20⁰S and 40⁰S, with a range spanning across Argentina, Brazil, Bolivia, Chile, Uruguay, and Paraguay.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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