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Spermatogenesis in Octomacrum lanceatum (Monogenoidea, Oligonchoinea, Mazocraeidea)

International Journal for Parasitology, 1995
Ultrastructural aspects of spermatozoon development and morphology in Octomacrum lanceatum are presented. Spermiogenesis involves development of zones of differentiation from the surface of cytophores followed by formation of a middle cytoplasmic process and 2 free flagella whose axonemes form from basal bodies located within each zone of ...
M A, Hathaway   +2 more
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Choice matters: Incipient speciation in Gyrodactylus corydori (Monogenoidea: Gyrodactylidae)

International Journal for Parasitology, 2011
We investigated how Gyrodactylus corydoriBueno-Silva and Boeger, 2009 exploits two sympatric host species, Corydoras paleatus (Jenyns, 1842) and Corydoras ehrhardti Steindachner, 1910. Specimens of G. corydori were collected from the Piraquara and Miringuava Rivers, State of Paraná, Brazil, between 2005 and 2006.
Marlus, Bueno-Silva   +2 more
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Two New Antarctic Gyrodactylus Species (Monogenoidea): Description and Phylogenetic Characterization

Journal of Parasitology, 2009
Two new species of Gyrodactylus Nordmann, 1832 (Gyrodactylidae, Monogenoidea) are described, i.e., Gyrodactylus coriicepsi n. sp. from gills of black rockcod, Notothenia coriiceps Richardson, 1844, and Gyrodactylus nudifronsi n. sp. from gills of gaudy notothen, Lepidonotothen nudifrons Lönnberg, 1905, collected in waters surrounding the South Shetland
Magdalena, Rokicka   +2 more
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Monogenoidea Communities Differ Between Male Morphotypes of Bluegill Sunfish (Lepomis macrochirus)

Acta Parasitologica, 2023
Bluegill sunfish (Lepomis macrochirus) are a North American sport fish that exhibit two different male morphotypes. Alpha-males are large, colorful, territorial, and have significant parental investment, while β-males are small, drab, and have two reproductive phenotypes, neither of which involves parental investment.
Brenna L. Alewynse   +2 more
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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

Systematic Parasitology, 2022
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.
Sofia Galvão Feronato   +3 more
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New Monogenoidea from Australian Brackish Water and Reef Fishes

The Journal of Parasitology, 1967
Hamatopeduncularia australis sp. n. and H. brisbanensis sp. n. (Dactylogyridae) are described from the gills of Neoarius australis from the tidal part of the Brisbane River, Queensland, and the former also from Moreton Bay, Queensland. H. australis differs from all other species in the genus by possessing three sclerotized ridges on the ventral surface
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Phylogeny and revision of Diplectanidae Monticelli, 1903 (Platyhelminthes: Monogenoidea)

Zootaxa, 2008
A hypothesis on the phylogenetic relationships of diplectanid genera is proposed based on 36 morphological characters using cladistic methods. The analysis supports two subfamilies, Diplectaninae Monticelli, 1903 and Lamellodiscinae Oliver, 1969, and the proposal of two new subfamilies: Nasobranchitrematinae n.
Domingues, Marcus V., Boeger, Walter A.
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Monogenea versus Monogenoidea: the case for stability in nomenclature

Systematic Parasitology, 1995
Monogenea van Beneden, 1858 is the most appropriate name to apply to the class of Platyhelminthes comprising the monogenean flatworms. Monogenoidea sensu Bychowsky (1937) is considered an emendation of Monogenea van Beneden, 1858. Arguments that support the use of Monogenoidea as the valid name of the class are based on erroneous assumptions of ...
Terry A. Wheeler, Leslie A. Chisholm
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