A morphological and molecular study of Clinostomid metacercariae from African fish with a redescription of Clinostomum tilapiae
2017
CAFFARA, MONICA | LOCKE, SEAN A. | ECHI, PAUL C. | HALAJIAN, ALI | BENINI, DEBORAH | LUUS-POWELL, WILMIEN J. | TAVAKOL, SAREH | FIORAVANTI, MARIA L.
The genus Clinostomum Leidy, 1856 (Digenea: Clinostomidae) has been reported in all ecozones of the world and a clear separation between the species of the ‘Old World’ and ‘New World’ has been recognized based on molecular studies. Recent works on Afrotropical species include redescriptions of C. cutaneum and C. phalacrocoracis, while C. tilapiae has yet to be studied using modern taxonomic approaches. In the present research, morphological redescription of C. tilapiae metacercariae from a new host, Synodontis batensoda sampled at Anambra River Basin, Nigeria, together with molecular analysis of nuclear internal transcribed spacer rDNA and cytochrome c oxidase 1 mtDNA are reported. We also provide morphological and molecular data from four further putative species of Clinostomum (morphotypes 1–4) from different areas of Africa, as well as the first report of C. phalacrocoracis in South Africa.
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