title: A new species of Unilatus (Platyhelminthes: Monogenoidea) from the gills of Leporacanthicus galaxias Isbrücker et Nijssen (Siluriformes: Loricariidae) from Brazil.
abstract: Unilatus irae sp. nov. (Dactylogyridae) is described from the gills of the armored catfish, Leporacanthicus galaxias Isbrücker et Nijssen (Loricariidae: Ancistrinae), from Guamá river, Pará State, Brazil. The new species can be differentiated from its cogeneners by the combination of the following features: anterior anchor with well-developed superficial root, inconspicuous deep root, shaft bent at midpoint, forming angle of approximately 60°, evenly short curved point; posterior anchor with inconspicuous roots, sclerotized cap of base with small protuberance for articulation to posterior bar; evenly curved shaft and short point; anterior bar broadly V-shaped, with small posteromedial projection; and posterior bar anteriorly expanded on it midportion, with expanded ends slightly curved in posterior direction.
authors.affiliation: Laboratório de Sistemática e Coevolução, Universidade Federal do Pará, Campus Universitário de Bragança, Instituto de Estudos Costeiros; Travessa Leandro Ribeiro, s/n, bairro Aldeia, 68600-000, Bragança, Pará, Brazil.
authors.forename: Bárbara
authors.initials: B
authors.lastname: Branches
authors.forename: Marcus V
authors.initials: MV
authors.lastname: Domingues
mesh_terms: D000818:Animals; D001938:Brazil / Q000453:epidemiology; D002397:Catfishes / Q000469:parasitology*; D005393:Fish Diseases / Q000453:epidemiology / Q000469:parasitology*; D005880:Gills / Q000469:parasitology*; D010986:Platyhelminths / Q000145:classification* / Q000302:isolation & purification*