Lía I., L. 2006. Redescription and systematic reclassification of the trematode Topsiturvitrema verticalia (Trematoda: Digenea) in a new family. Revista de Biología Tropical. 54, 3 (Sep. 2006), 1041–1045. DOI:https://doi.org/10.15517/rbt.v54i3.13966.