Capsalids (Platyhelminthes: Monogenea) from marine fishes off Okinawa in Japan with the proposal of two new genera |
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| Affiliation: | 1. Setouchi Parasite Biodiversity Laboratory, 3-2-20-103, Ushita-Honmachi, Higashi-ku, Hiroshima 732-0066, Japan;2. Laboratory of Bioresources, National Institute for Basic Biology, 38, Nishigonaka, Myodaiji, Okazaki, Aichi 444-8787, Japan;1. Department of Biology, Tekirdag Namik Kemal University, Tekirdag, Turkey;2. Department of Parasitology, Faculty of Veterinary, Ataturk University, Erzurum, Turkey;3. Zonguldak Bulent Ecevit University, Caycuma Vocational High School, Zonguldak, Turkey;4. Galveston National Laboratory, Department of Microbiology & Immunology, Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, United States of America;5. Department of Parasitology, Faculty of Veterinary, Kafkas University, Kars, Turkey;1. Aquatic Parasitology Laboratory, School of Fisheries, Aquaculture, and Aquatic Sciences (SFAAS), Auburn University, 203 Swingle Hall, Auburn, AL 36849, USA;2. Auburn University Center for Aquatic Surveillance and Health, SFAAS, CASIC 559 Devall Drive, Auburn AL 36832, USA;3. Aquatic Microbiology Laboratory, SFAAS, Auburn University, CASIC 559 Devall Drive, Auburn AL 36832, USA;1. Department of Natural History Sciences, Graduate School of Science, Hokkaido University, N10 W8, Sapporo 060-0810, Japan;2. Faculty of Science, Hokkaido University, N10 W8, Sapporo 060-0810, Japan |
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| Abstract: | Molecular studies of the Capsalidae suggested that the genus Benedenia is polyphyletic, but a taxonomic organization of the genus that reflects molecular data has not yet been proposed. As a result of molecular analysis (28S rDNA, ITS1–5.8S-ITS2, and cox1 data) including specimens of Benedeniinae newly obtained from Okinawa-jima Island in Japan, two new genera and the revival of Tareenia independent to the genus Benedenia are proposed. Gracilobenedenia n. gen. is distinguished from the other genera of Benedeniinae based on morphological characteristics. This new genus comprises 6 species: G. lutjani n. comb. (type species), G. anticavaginata n. comb., G. rohdei n. comb., G. beverleyburtonae n. comb., G. kuremibai n. gen., n. sp., and G. hichi n. gen., n. sp. Armatobenedenia n. gen. is a monotypic genus for A. armata n. comb. The present molecular phylogenetic analysis showed the independence of Tareenia, and it can be morphologically separated from the other benedeniines. Four species including two new species obtained from Okinawa-jima Island are reported: G. kuremibai n. sp., G. hichi n. sp., G. lutjani n. comb., and Metabenedeniella parva. Furthermore, in the species identification and phylogenetic analysis of capsalids, the usefulness of not only the 28S rDNA but also ITS and the cox1 regions was suggested. These genes were evaluated the efficacy of those regions in DNA barcoding, and the ITS and cox1 regions shown to be useful for DNA barcoding in capsalids compared to the 28S rDNA sequence. |
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