(1)
Gnaspini, P. . Phylogenetic Analysis of the Tribe Ptomaphagini, With Description of New Neotropical Genera and Species (Coleoptera, Leiodidae, Cholevinae, Ptomaphagini). Pap. Avulsos Zool. 1994, 39, 509-556. https://doi.org/10.11606/0031-1049.1994.39.p509-556.