Molecular and morphological evidence of a new species of Crassicutis Manter 1936 (Digenea), a parasite of cichlids in South America

Pantoja, Camila; Scholz, Tomáš; Luque, José Luís; deLeón, Gerardo Perez-Ponce

doi:10.1007/s00436-021-07161-4

Cited by 4 publications

(1 citation statement)

References 44 publications

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“…This may indicate the species is not a member of Crassicutis , but a species of Homalometron . Previous phylogenetic studies have shown that the genus Crassicutis represents a monophyletic assemblage (see Razo-Mendivil et al , 2010; Pantoja et al , 2021). Some morphological traits indicate that C. archosargi falls within the concept of Homalometron .…”

Section: Discussionmentioning

confidence: 97%

Discovery of a new species of Homalometron Stafford, 1904 (Digenea: Apocreadiidae) from the stripped mojarra, Eugerres plumieri in a coastal lagoon of the Gulf of Mexico

et al. 2022

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To date, 34 species of the genus Homalometron (Apocreadiidae) have been described; five of them in Mexican fresh or brackish water fish, whereas five have been reported as parasites of members of the fish family Gerreidae. While sampling wildlife vertebrates during a field course of parasitology at the Los Tuxtlas Biological Station (Instituto de Biología, Universidad Nacional Autónoma de México) in Veracruz, specimens of digeneans were collected from the intestine of the stripped mojarra, Eugerres plumeri in Sontecomapan Lagoon. Specimens were studied morphologically and molecularly, and we discovered that they represented a new species of Homalometron. The new species is morphologically like the other four congeners in having three pairs of well-developed oral papillae on the oral sucker: Homalometron elongatum; Homalometron lesliorum; Homalometron carapavae; and Homalometron papilliferum. Here, we describe the newly discovered species, increasing our understanding about the parasite diversity of brackish water fishes of Mexico.

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Section: Discussionmentioning

confidence: 97%

Discovery of a new species of Homalometron Stafford, 1904 (Digenea: Apocreadiidae) from the stripped mojarra, Eugerres plumieri in a coastal lagoon of the Gulf of Mexico

et al. 2022

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Components influencing parasitism by Dadaytrema oxycephala (Digenea: Cladorchiidae) in Neotropical fish

et al. 2023

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Integrated characterisation of nine species of the Schistorchiinae (Trematoda: Apocreadiidae) from Indo-Pacific fishes: two new species, a new genus, and a resurrected but ‘cryptic’ genus

Magro,

Cutmore,

Carrasson

et al. 2023

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We report nine species of the Schistorchiinae Yamaguti, 1942 (Apocreadiidae Skrjabin, 1942) from Indo-Pacific marine fishes. Molecular data (ITS2 and 28S rDNA and cox1 mtDNA) are provided for all species and the genus-level classification of the subfamily is revised. For Schistorchis Lühe, 1906, we report the type-species Sch. carneus Lühe, 1906 and Sch. skrjabini Parukhin, 1963. For Sphinteristomum Oshmarin, Mamaev & Parukhin, 1961 we report the type-species, Sph. acollum Oshmarin, Mamaev & Parukhin, 1961. We report and re-recognise Lobatotrema Manter, 1963, for the type and only species, L. aniferum Manter, 1963, previously a synonym of Sph. acollum. Lobatotrema aniferum is phylogenetically distant from, but morphologically similar to, Sph. acollum and Lobatotrema is recognised as a ‘cryptic genus’. We propose Blendiellan. gen. for B. trigintatestisn. sp. and B. tridecimtestisn. sp. These species are broadly consistent with the present morphological concept of Schistorchis but are phylogenetically distant from the type-species; a larger number of testes and some other subtle morphological characters in species of Blendiella serve to distinguish the two genera. We report three species of Paraschistorchis Blend, Karar & Dronen, 2017: P. stenosoma (Hanson, 1953) Blend, Karar & Dronen, 2017 (type-species), P. seychellesiensis (Toman, 1989) Blend, Karar & Dronen, 2017, and P. zancli (Hanson, 1953) Blend, Karar & Dronen, 2017. Lobatotrema aniferum, P. stenosoma, and Sch. carneus each have two distinct cox1 populations either over geographical range or in sympatry. Available evidence suggests that most of these species, but not all, are widespread in the tropical Indo-Pacific.

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Molecular and morphological evidence of a new species of Crassicutis Manter 1936 (Digenea), a parasite of cichlids in South America

Cited by 4 publications

References 44 publications

Discovery of a new species of Homalometron Stafford, 1904 (Digenea: Apocreadiidae) from the stripped mojarra, Eugerres plumieri in a coastal lagoon of the Gulf of Mexico

Discovery of a new species of Homalometron Stafford, 1904 (Digenea: Apocreadiidae) from the stripped mojarra, Eugerres plumieri in a coastal lagoon of the Gulf of Mexico

Components influencing parasitism by Dadaytrema oxycephala (Digenea: Cladorchiidae) in Neotropical fish

Integrated characterisation of nine species of the Schistorchiinae (Trematoda: Apocreadiidae) from Indo-Pacific fishes: two new species, a new genus, and a resurrected but ‘cryptic’ genus

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