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The species\u2019 current recognised classification dates back to Yamaguti\u2019s reclassification of\n                    <jats:italic>O. cotylophorus<\/jats:italic>\n                    as\n                    <jats:italic>Pseudoheterolebes cotylophorus<\/jats:italic>\n                    ; however, doubts persist regarding this classification and the validity of this species. The species was reported by Bray in 1986 from off the coast of South Africa, based on a single specimen infecting the evileye blaasop,\n                    <jats:italic>Amblyrhynchote honckenii<\/jats:italic>\n                    (Bloch) (Tetraodontidae). However, recently, this report from the South African coastline was considered doubtful. Parasitological assessments of South African marine fishes provided the opportunity to recollect this taxon from the same host species reported by Bray, allowing a reassessment of its taxonomic status. Morphological and molecular phylogenetic analyses, incorporating ITS2 and 28S rDNA, as well as\u00a0\n                    <jats:italic>cox<\/jats:italic>\n                    1 and\n                    <jats:italic>nad<\/jats:italic>\n                    1\u00a0mtDNA sequence data, support the identification of the South African material as\u00a0\n                    <jats:italic>Opistholebes<\/jats:italic>\n                    cf.\n                    <jats:italic>amplicoelus<\/jats:italic>\n                    ; demonstrating both the value of molecular approaches in the identification and classification of marine parasites and the need for additional life-cycle data to fully resolve species boundaries.\n                  <\/jats:p>","DOI":"10.1007\/s00436-026-08665-7","type":"journal-article","created":{"date-parts":[[2026,5,25]],"date-time":"2026-05-25T13:34:05Z","timestamp":1779716045000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Assessing the taxonomic status of an opecoelid trematode from the evileye blaasop, Amblyrhynchote honckenii (Bloch), in South Africa"],"prefix":"10.1007","volume":"125","author":[{"given":"Linda","family":"de Klerk","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Russell Q-Y.","family":"Yong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bjoern C.","family":"Schaeffner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kerry A.","family":"Hadfield","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nico J.","family":"Smit","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,5,25]]},"reference":[{"key":"8665_CR1","doi-asserted-by":"crossref","unstructured":"Andres MJ, Ray CL, Pulis EE, Curran SS, Overstreet RM (2014) Molecular characterization of two opecoelid trematodes from fishes in the Gulf of Mexico, with a description of a new species of Helicometra. 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