Ascarophis is a genus of parasitic nematodes, belonging to the family Cystidicolidae. Species of Ascarophis are parasitic as adults in the gastrointestinal tract of marine and estuarine fishes.Van Beneden, P. J. (1871). Les poissons des côtes de Belgique, leurs parasites et leurs commensaux. Mémoires de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique, 38, 1-156. PDF in BHL
Species According to the World Register of Marine Species,Bezerra, T.N.; Decraemer, W.; Eisendle-Flöckner, U.; Hodda, M.; Holovachov, O.; Leduc, D.; Miljutin, D.; Mokievsky, V.; Peña Santiago, R.; Sharma, J.; Smol, N.; Tchesunov, A.; Venekey, V.; Zeng, Z.; Vanreusel, A. (2019). Nemys: World Database of Nematodes. Ascarophis Van Beneden, 1871. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=22837 on 2019-01-04 the genus currently (2019) includes many species. A few are listed here:
Ascarophis arctica Polyansky, 1952 Ascarophis ayalai Caballero, 1975 Ascarophis beryx Kataitseva, 1979 Ascarophis brasiliensis Pinto, Vicente & Noronha, 1984 Ascarophis capelanus Nikolaeva & Naidenova, 1964 Ascarophis carvajali Muñoz & George-Nascimento, 2007 Ascarophis cestus Chitwood, 1934 Ascarophis cooperi Johnston & Mawson, 1945 Ascarophis crassicollis Dollfus & Campana-Rouget, 1956 Ascarophis distorta Fusco et Overstreet, 1978 Fusco AC, Overstreet RM (1978) Ascarophis distortus, a new spiruroid nematode from a chaetodontid fish in the northern Red Sea. Proc. Biol. Soc. Wash. 91:374–378 Ascarophis morrhuae Van Beneden, 1871 (Type-species) a parasite of the Atlantic cod Gadus morhua.
Several subgenera have been proposed, with the following species:
Subgenus Ascarophis (Dentiascarophis) Moravec & Justine, 2009 Ascarophis (Dentiascarophis) adioryx Machida, 1981 Subgenus Ascarophis (Paraspinitectus) Moravec & Justine, 2009 Ascarophis (Paraspinitectus) beaveri Overstreet, 1970 Subgenus Ascarophis (Similascarophis) Muñoz, González & George-Nascimento, 2004 Ascarophis (Similascarophis) chilensis (Muñoz, González & George-Nascimento, 2004) Moravec & González-Solís, 2007 Ascarophis (Similascarophis) marina (Szidat, 1961) Ivanov, Navone & Martorelli, 1997 Ascarophis (Similascarophis) maulensis (Muñoz, González & George-Nascimento, 2004) Moravec & González-Solís, 2007 Ascarophis (Similascarophis) nasonis Machida, 1981 Machida M. 1981. Two new species of Ascarophis (Nematoda, Spirurida) from marine fishes of Japan and Palau. Bulletin of the National Science Museum, Tokyo, Ser. A (Zoology), 7, 1–5. Ascarophis (Similascarophis) richeri Moravec & Justine, 2007
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