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Neotropical Monogenoidea 64. Cosmetocleithrum falsunilatum sp. n. (Monogenoidea, Dactylogyridae) parasite of the gills of Megalodoras uranoscopus (Siluriformes, Doradidae) from the Solimões river, near Iquitos, Peru

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Abstract

Megalodoras uranoscopus (Eigenmann & Eigenmann) (Siluriformes, Doradidae) (the giant-talking catfish or the giant-raphael catfish), from the Peruvian Amazon, hosts a new species of Cosmetocleithrum described herein as Cosmetocleithrum falsunilatum sp. n. The male copulatory organ of the new species closely resembles that of Unilatus spp. – with multiple tight loops and non-articulated accessory piece - which reveals its morphological uniqueness among members of Cosmetocleithrum. A phylogenetic analysis using 28S rDNA of available sequences suggests that Cosmetocleithrum is composed by two basal clades, one of them composed by sequences of the new species and C. trachydorasi.

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Funding

Partial financial support was received from The Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Brazil).

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Authors and Affiliations

  1. Biological Interactions, Universidade Federal do Paraná, P.O. Box 19073, Curitiba, PR, 81531-890, Brazil

    Sofia Galvão Feronato, Emanuel Razzolini, Germán Augusto Murrieta Morey & Walter A. Boeger

  2. Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brasília, Brazil

    Emanuel Razzolini & Walter A. Boeger

  3. Instituto de Investigaciones de la Amazonía Peruana (IIAP), Iquitos, Peru

    Germán Augusto Murrieta Morey

  4. Harold W. Manter Laboratory of Parasitology, University of Nebraska-Lincoln, Lincoln, NE, USA

    Walter A. Boeger

Authors
  1. Sofia Galvão Feronato
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  2. Emanuel Razzolini
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  3. Germán Augusto Murrieta Morey
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  4. Walter A. Boeger
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Correspondence to Walter A. Boeger.

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Feronato, S.G., Razzolini, E., Morey, G.A.M. et al. Neotropical Monogenoidea 64. Cosmetocleithrum falsunilatum sp. n. (Monogenoidea, Dactylogyridae) parasite of the gills of Megalodoras uranoscopus (Siluriformes, Doradidae) from the Solimões river, near Iquitos, Peru. Syst Parasitol 99, 341–346 (2022). https://doi.org/10.1007/s11230-022-10030-y

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