Potamojanuarius is a genus of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Veronicellidae, the leatherleaf slugs.
^(in Portuguese) Thomé J. W. (1975) "Os gêneros da família Veronicellidae nas Américas (Mollusca; Gastropoda)". Iheringia, Porto Alegre, Série Zoologia (48):3-56.page 13.
Veronicellidae, the leatherleaf slugs. Species within the genus Potamojanuarius include: Potamojanuarius lamellatus (in Portuguese) Thomé J. W. (1975) "Os gêneros...