Leaf veined slug, family Athoracophoridae, genus Triboniophorus graeffei. Leaf veined slug, family Athoracophoridae, genus Triboniophorus graeffei. Leaf veined slug, family Athoracophoridae, genus Triboniophorus graeffei. Leaf veined slug, family Athoracophoridae, genus Triboniophorus graeffei.