Gnaspini, Pedro. 1994. “Phylogenetic Analysis of the Tribe Ptomaphagini, With Description of New Neotropical Genera and Species (Coleoptera, Leiodidae, Cholevinae, Ptomaphagini)”. Papéis Avulsos De Zoologia 39 (February): 509-56. https://doi.org/10.11606/0031-1049.1994.39.p509-556.