Proctocaecum (Overstreetium) Brooks & Holcman 1993

Brooks & Holcman 1993. Revised classification and phylogenetic hypothesis for the Acanthostominae Looss, 1899 (Digenea: Opisthorchiformes: Cryptogonimidae). Proceedings of the Biological Society of Washington, 106(2), 11 June 1993: 207-220