Revision of Potamotrygonocotyle Mayes, Brooks & Thorson, 1981 (Platyhelminthes: Monogenoidea: Monocotylidae), with descriptions of four new species from the gills of the freshwater stingrays Potamotrygon spp. (Rajiformes: Potamotrygonidae) from the La Plata river basin

@article{Domingues2006RevisionOP,
  title={Revision of Potamotrygonocotyle Mayes, Brooks \& Thorson, 1981 (Platyhelminthes: Monogenoidea: Monocotylidae), with descriptions of four new species from the gills of the freshwater stingrays Potamotrygon spp. (Rajiformes: Potamotrygonidae) from the La Plata river basin},
  author={Marcus Vinicius Domingues and Fernando P. L. Marques},
  journal={Systematic Parasitology},
  year={2006},
  volume={67},
  pages={157-174}
}
The only known monocotylid genus to parasitise Neotropical freshwater stingrays (Potamotrygonidae) is Potamotrygonocotyle Mayes, Brooks & Thorson, 1981, a monotypic genus erected to accommodate P. tsalickisi Mayes, Brooks & Thorson, 1981. For more than 20 years, no other species has been recognised in this genus, but new efforts to survey the diversity of parasites inhabiting potamotrygonids have revealed the existence of new species and the need to redefine the genus. Here, the generic… Expand
Phylogeny and taxonomy of Potamotrygonocotyle Mayes, Brooks & Thorson, 1981 (Monogenoidea: Monocotylidae) with a description of four new species
TLDR
It is found that hypotheses of species delimitation depend greatly on efforts to sample specimens throughout its distributional range and that host specificity within this genus varies dramatically among lineages. Expand
Monogenoidean parasites of freshwater stingrays (Rajiformes: Potamotrygonidae) from the Negro River, Amazon, Brazil: species of Potamotrygonocotyle (Monocotylidae) and Paraheteronchocotyle (Hexabothriidae).
TLDR
Five new species of Potamotrygonocotyle (Monocotylidae) are described and Paraheteronchocotyles amazonense is redescribed from monogenoideans collected on the gills of species of Cannabis species from the Negro River, Amazon, Brazil. Expand
Electrocotyle whittingtoni n. gen., n. sp. (Monogenea: Monocotylidae: Heterocotylinae) from the gills of a captive onefin electric ray, Narke capensis (Narkidae) at Two Oceans Aquarium, Cape Town, South Africa
TLDR
Molecular phylogenetic analyses based on 28S sequences strongly support the separate genus status of Electrocotyle n. Expand
Intestinal Helminths of Freshwater Stingrays in Southeastern Peru, and a New Genus and Two New Species of Cestode
  • F. Reyda
  • Biology, Medicine
  • The Journal of parasitology
  • 2008
TLDR
The study suggests that the diversity and host specificity of the cestodes in potamotrygonid stingrays may be greater than previously thought. Expand
Denarycotyle gardneri n. gen., n. sp. (Monogenea: Monocotylidae: Euzetiinae), from the gills of Rhinoptera steindachneri (Rhinopteridae) from Acapulco, Guerrero, Mexico
Denarycotyle gardneri n. gen., n. sp. (Monogenea: Monocotylidae) is described from the gills of the stingray, Rhinoptera steindachneri (Myliobatidae), collected in marine waters off Acapulco,Expand
Septesinus gibsoni n. g., n. sp. (Monocotylidae: Heterocotylinae), from the gills of Himantura walga (Dasyatidae) off Sarawak, Borneo
Septesinus gibsoni n. g., n. sp. (Monocotylidae: Heterocotylinae) is described from the gills of the dwarf whipray Himantura walga (Müller & Henle) collected in marine waters off Sarawak (Borneo),Expand
Diversity of Empruthotrema Johnston and Tiegs, 1992 parasitizing batoids (Chondrichthyes: Rajiformes and Myliobatiformes) from the Southwest Atlantic Ocean, with description of three new species
TLDR
Three new species of Empruthotrema were found and are described using morphologic characteristics and two molecular markers: LSU rDNA and COI mtDNA, the first description of new species in this genus for the Southwestern Atlantic Ocean. Expand
The phylogenetic position of the Loimoidae Price, 1936 (Monogenoidea: Monocotylidea) based on analyses of partial rDNA sequences and morphological data.
TLDR
Although rDNA sequence data support the rejection of the Loimoidae and incorporating its species into the Monocotylidae, this action was not recommended pending a full phylogenetic analysis of morphological data. Expand
Supplementary taxonomic description of Demidospermus pinirampi (Monogenoidea, Dactylogyridae), with a new host record and an expansion of its distribution range
TLDR
During a survey conducted in the Lajeado Reservoir of the Tocantins River, Brazil, dactylogyrids were recovered from the gills of Pimelodina flavipinnis, showing affinity to Demidospermus pinirampi, despite exhibiting differences with the original description by Kritsky et al. (1987). Expand
Ergasilus trygonophilus sp. nov. (Copepoda: Ergasilidae) a branchial parasite of freshwater stingrays (Potamotrygonidae) from state of Pará, Brazil
TLDR
The new species differs from all known species of Ergasilus Nordman, 1832 from Brazilian waters by possessing an elongate bullet-shaped cephalosome and an antennule setal formula. Expand
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The genus is revised, characters which unite the members of the genus could not be confirmed for Heterocotyle elliptica Pillai & Pillai, 1976 and H. robusta (Johnston & Tiegs, 1992) Price, 1938 and therefore they are considered species inquirendae. Expand
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The results suggest that the monogenean parasite fauna could be used as a diagnostic tool for species identification: these parasites may, therefore, represent good biological indicators. Expand
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TLDR
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