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''Lethacotyle'' is a genus of polyopisthocotylean Monogenean, included in the family Protomicrocotylidae. The genus includes only two species: ''Lethacotyle fijiensis'' Manter & Price, 1953 〔Manter, H. W. & Prince, D. F. 1953: Some Monogenetic Trematodes of marine fishes from Fiji. Proceedings of the Helminthological Society of Washington, 20, 105-112.〕 , the type-species of the genus, and ''Lethacotyle vera'' Justine, Rahmouni, Gey, Schoelinck, & Hoberg, 2013 . Both species are parasitic on the gills of jacks in the Pacific Ocean.〔〔〔Ramalingam, K. 1966: A rare record of ''Lethacotyle'' (Monogenea), its post-oncomiracidial larva with observation on distribution. ''Current Science'', 35, 101-102 (PDF ).〕〔Ramalingam, K. 1968: A redescription of ''Lethacotyle'' (Monogenea) and its post-oncomiracidial larva. Journal of the Madras University B, 35-36, 107-114.〕 They are known only from three localities: off Fiji,〔 Andaman Islands,〔〔 and New Caledonia.〔 The genus ''Lethacotyle'' is special in that its members have no clamps on their posterior attachment organ or haptor, in contrast to most polyopisthocotylean Monogenean which have clamps.〔Bychowsky, B. E. (1961). Monogenetic Trematodes their systematics and phylogeny. English translation edited by W. J. Hargis Jr. Washington: American Institute of Biological Sciences (Archive.org ).〕〔Hayward, C. (2005). Monogenea Polyopisthocotylea (ectoparasitic flukes). In K. Rohde (Ed.), Marine Parasitology (pp. 55-63): CSIRO, Collingwood, Australia & CABI, Oxon, UK.〕 This is reflected in the etymology of the name, which, according to Manter & Price〔 is "from ''letha'' = forgetting, and ''cotyle'' = cup, and refers to the absence of clamps". ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lethacotyle」の詳細全文を読む スポンサード リンク
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