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Helminthol."],"published-print":{"date-parts":[[2020]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t  <jats:p>Species identification based on the morphometry of opisthaptoral hard parts, in combination with internal transcribed spacer ribosomal DNA (ITS rDNA) region sequences, confirmed the presence of four viviparous <jats:italic>Gyrodactylus<\/jats:italic> von Nordman, 1832 (Plathyhelminthes, Monogenea) species on Nototheniid fish from the Prince Gustav Channel (Weddell Sea, Antarctica). <jats:italic>Gyrodactylus antarcticus<\/jats:italic> Gusev, 1967 was found mostly on <jats:italic>Trematomus newnesi<\/jats:italic> Boulenger (93 specimens) but also on <jats:italic>T. bernacchii<\/jats:italic> Boulenger (one specimen), the latter representing a new host record for this species. <jats:italic>Gyrodactylus byrdi<\/jats:italic> Hargis &amp; Dillon, 1968 and <jats:italic>G. coriicepsi<\/jats:italic> Rokicka, Lumme &amp; Zi\u0119tara, 2009 were recorded on their type hosts, <jats:italic>T. newnesi<\/jats:italic> and <jats:italic>Notothenia coriiceps<\/jats:italic> Richardson, respectively. <jats:italic>Gyrodactylus wilkesi<\/jats:italic> Hargis &amp; Dillon, 1968 was found mostly on the fins of <jats:italic>T. bernacchii<\/jats:italic> (29 specimens), but also on <jats:italic>T. hansoni<\/jats:italic> Boulenger (one specimen) and <jats:italic>T. newnesi<\/jats:italic> (three specimens). The finding of <jats:italic>G. wilkesi<\/jats:italic> on <jats:italic>T. newnesi<\/jats:italic> represents a new host record. The low number of <jats:italic>Gyrodactylus<\/jats:italic> specimens may indicate an accidental infection. The occurence of all four <jats:italic>Gyrodactylus<\/jats:italic> species in the Prince Gustav Channel represents a new locality record. According to phylogentic methods, the newly redescribed monogeneans belong to the Antarctic lineage, forming a sister group to North American and European marine <jats:italic>Gyrodactylus<\/jats:italic> species, and consist of two species groups, one comprising <jats:italic>G. coriicepsi<\/jats:italic> and <jats:italic>G. nudifronsi<\/jats:italic> Rokicka, Lumme &amp; Zi\u0119tara, 2009, and the other <jats:italic>G. anarcticus<\/jats:italic> and <jats:italic>G. wilkesi<\/jats:italic>.<\/jats:p>","DOI":"10.1017\/s0022149x18001098","type":"journal-article","created":{"date-parts":[[2018,12,6]],"date-time":"2018-12-06T05:34:41Z","timestamp":1544074481000},"source":"Crossref","is-referenced-by-count":8,"title":["An amended description of two <i>Gyrodactylus<\/i> species (Platyhelminthes: Monogenea) parasitizing Antarctic Notothenioid fish"],"prefix":"10.1017","volume":"94","author":[{"given":"I.","family":"Heglasov\u00e1","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V.","family":"Nezhybov\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4761-8943","authenticated-orcid":false,"given":"I.","family":"P\u0159ikrylov\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2018,12,6]]},"reference":[{"key":"S0022149X18001098_ref44","first-page":"201","article-title":"Helminths of an Antarctic fish, Notothenia coriiceps, from the Vernadski Station (Western Antarctica) in comparison with Admiralty Bay (South Shetland Islands)","volume":"41","author":"Zdzitowiecki","year":"2004","journal-title":"Helminthologia"},{"key":"S0022149X18001098_ref42","doi-asserted-by":"publisher","DOI":"10.1017\/S0031182010001356"},{"key":"S0022149X18001098_ref41","doi-asserted-by":"publisher","DOI":"10.1093\/nar\/22.22.4673"},{"key":"S0022149X18001098_ref40","volume-title":"Some Mathematical Questions in Biology: DNA Sequence Analysis","author":"Tavar\u00e9","year":"1986"},{"key":"S0022149X18001098_ref35","doi-asserted-by":"publisher","DOI":"10.1645\/GE-2002.1"},{"key":"S0022149X18001098_ref34","doi-asserted-by":"publisher","DOI":"10.2478\/s11686-007-0060-x"},{"key":"S0022149X18001098_ref37","doi-asserted-by":"publisher","DOI":"10.1214\/aos\/1176344136"},{"key":"S0022149X18001098_ref33","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5193(05)80104-3"},{"key":"S0022149X18001098_ref32","doi-asserted-by":"publisher","DOI":"10.1016\/j.ympev.2012.12.017"},{"key":"S0022149X18001098_ref27","volume-title":"Fishes of the World","author":"Nelson","year":"2006"},{"key":"S0022149X18001098_ref22","first-page":"37","volume-title":"Taxonomie, Ecologie et Evolution des M\u00e9tazoaires Parasites. 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