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A new species of Unilatus (Platyhelminthes: Monogenoidea) from the gills of Leporacanthicus galaxias Isbrücker et Nijssen (Siluriformes: Loricariidae) from Brazil

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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.

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  1. 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

    Bárbara Branches & Marcus V. Domingues

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  1. Bárbara Branches
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  2. Marcus V. Domingues
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Correspondence to Marcus V. Domingues.

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Branches, B., Domingues, M.V. A new species of Unilatus (Platyhelminthes: Monogenoidea) from the gills of Leporacanthicus galaxias Isbrücker et Nijssen (Siluriformes: Loricariidae) from Brazil. Acta Parasit. 59, 91–97 (2014). https://doi.org/10.2478/s11686-014-0213-7

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  • DOI: https://doi.org/10.2478/s11686-014-0213-7

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