*** ''Helarctos malayanus'' マレーグマ (Sun bear)
** ナマケグマ属 ''Melursus''
*** ''Melursus ursinus'' [[ナマケグマ]] [[w:Sloth bear|Sloth bear]](Sloth bear)** [[クマ属]] [[w:Ursus|クマ属(''Ursus'']])*** ''Ursus americanus'' [[アメリカグマ]]<!-- 標準和名アメリカクロクマ --> [[w:American (American black bear|American black bear]]bear)*** ''Ursus arctos'' [[ヒグマ]] [[w:Brown bear|Brown bear]](Brown bear)*** ''Ursus maritimus'' [[ホッキョクグマ]] [[w:Polar bear|Polar Bear]] (Polar Bear)*** ''Ursus thibetanus'' [[ツキノワグマ]] [[w:Asiatic black bear|Asiatic (Asiatic black bear]](ツキノワグマ属bear)(ツキノワグマ属''Selenarctos''に分類する説もあり)
*** ''Ursus spelaeus'' [[ホラアナグマ]] [[w:Cave bear|Cave bear]](絶滅)
*** ''Ursus minimus'' (絶滅)