Choloepus hoffmanni shine sunan kimiyya na Hoffmann mai yatsu biyu, wanda shine nau'in ramin da ake samu a Tsakiya da Kudancin Amurka. Kalmar "Choloepus" ta fito ne daga kalmomin Helenanci "cholos" ma'ana gurgu ko gurgu, da "epus" ma'ana ƙafa, yana nufin motsi na jinkirin da rashin jin daɗi. Sunan nau'in suna bayan Karl Hoffmann, wani masanin halitta Bajamushe wanda ya tattara samfuran farko a Colombia a ƙarshen 1800s.