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Hexaprotodon is a genus of Hippopotamidae that is sometimes applied to the pygmy hippopotamus. Pygmy hippos may be classified as either ''Choeropsis liberiensis'' or ''Hexaprotodon liberiensis''. The name ''Hexaprotodon'' means "six front teeth" as some of the fossil forms have three pairs of incisors. 〔(''Hexaprotodon'' ), The Paleobiology Database, läst 19 mars 2013.〕 The genus Hexaprotodon also includes a number of rarely studied extinct species from Asia, sometimes labeled "Asian Hippopotami." *''Hexaprotodon bruneti'' Boisserie and White, 2004 *''Hexaprotodon crusafonti'' Aguirre, 1963 *''Hexaprotodon hipponensis'' (Gaudry, 1867) *''Hexaprotodon imagunculus'' (Hopwood, 1926) *''Hexaprotodon iravticus'' Falconer and Cautley, 1847 *''Hexaprotodon karumensis'' Coryndon, 1977 *''Hexaprotodon mingoz'' Boisserie et al., 2003 *''Hexaprotodon namadicus'' Falconer and Cautley, 1847 - possibly same as ''H. palaeindicus''´ *''Hexaprotodon palaeindicus'' Falconer and Cautley, 1847 *''Hexaprotodon pantanellii'' (Joleaud, 1920) *''Hexaprotodon primaevus'' Crusafont et al., 1964 *''Hexaprotodon protamphibius'' (Arambourg, 1944) *''Hexaprotodon siculus'' (Hooijer, 1946) *''Hexaprotodon sinhaleyus'' (Deraniyagala) *''Hexaprotodon sivajavanicus'' (Hooijer, 1950) *''Hexaprotodon sivalensis'' Falconer and Cautley, 1836 *''Hexaprotodon'' sp. - Myanmar Hippopotamus (fossil) ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hexaprotodon」の詳細全文を読む スポンサード リンク
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