The Dicyemidae van Beneden, 1882 is a family of tiny parasites that live in the renal appendages of cephalopods. It contains the following genera and species:
Dicyema von Kolliker, 1849Dicyema acciaccatum McConnaughey, 1949Dicyema acheroni McConnaughey, 1949Dicyema acuticephalum Nouvel, 1947 - parasitizes Octopus vulgaris Dicyema aegira McConnaughey & Kritzler, 1952Dicyema akashiense Furuya, 2005Dicyema apalachiensis Short, 1962Dicyema apollyoni Nouvel, 1947Dicyema australis Penchaszadeh, 1969Dicyema awajiense Furuya, 2005Dicyema balanocephalum Furuya, 2006Dicyema banyulensis Furuya & Hochberg, 1999Dicyema benedeni Furuya & Hochberg, 1999Dicyema benthoctopi Hochberg & Short, 1970Dicyema bilobum Couch & Short, 1964Dicyema briarei Short, 1961Dicyema caudatum Bogolepova-Dobrokhotova, 1960Dicyema clavatum Furuya & Koshida, 1992 - parasitizes Octopus minor Dicyema colurum Furuya, 1999 - parasitizes Octopus fangsiao Dicyema dolichocephalum Furuya, 1999 - parasitizes Octopus minor Dicyema erythrum Furuya, 1999 - parasitizes Octopus fangsiao Dicyema ganapatii Kalavati, Narasimhamurti & Suseela, 1984Dicyema hadrum Furuya, 1999 - parasitizes Sepia esculenta Dicyema helocephalum Furuya, 2005Dicyema hypercephalum Short, 1962Dicyema irinoense Furuya, 2005Dicyema japonicum Furuya & Tsuneki, 1992 - parasitizes Octopus vulgaris Dicyema knoxi Short, 1971Dicyema koshidai Furuya & Tsuneki, 2005Dicyema leiocephalum Furuya, 2006Dicyema lycidoeceum Furuya, 1999 - parasitizes Sepia lycidas Dicyema macrocephalum (van Beneden, 1876)Dicyema madrasensis Kalavati, Narasimhamurti & Suseela, 1984Dicyema maorum Short, 1971Dicyema megalocephalum Nouvel, 1934Dicyema microcephalum Whitman, 1883Dicyema misakiense Nouvel & Nakao, 1938 - parasitizes Octopus vulgaris Dicyema monodi Nouvel, 1934Dicyema moschatum Whitman, 1883Dicyema nouveli Kalavati, Narasimhamurti & Suseela, 1984Dicyema octopusi Kalavati, Narasimhamurti & Suseela, 1984Dicyema oligomerum Bogolepova-Dobrokhotova, 1960Dicyema orientale Nouvel & Nakao, 1938 - parasitizes Sepioteuthis lessoniana Dicyema oxycephalum Furuya, 2009Dicyema paradoxum von Kölliker, 1849Dicyema platycephalum Penchaszadeh, 1968Dicyema rhadinum Furuya, 1999 - parasitizes Sepia esculenta Dicyema robsonellae Short, 1971Dicyema rondeletiolae Nouvel, 1944Dicyema schulzianum (van Beneden, 1876)Dicyema sepiellae Furuya, 2008Dicyema shimantoense Furuya, 2008 - parasitizes Octopus sasakiiDicyema shorti Furuya, Damian & Hochberg, 2002Dicyema sphaerocephalum Furuya, 2005Dicyema sphyrocephalum Furuya, 1999 - parasitizes Octopus minor Dicyema sullivani McConnaughey, 1949Dicyema tosaense Furuya, 2005Dicyema typoides Short, 1964Dicyema typus van Beneden, 1876Dicyema whitmani Furuya & Hochberg, 1999Dicyemennea Whitman, 1883Dicyemennea abasi McConnaughey, 1949Dicyemennea abbreviata McConnaughey, 1949Dicyemennea abelis McConnaughey, 1949Dicyemennea abreida McConnaughey, 1957Dicyemennea adminicula (McConnaughey, 1949)Dicyemennea adscita McConnaughey, 1949Dicyemennea antarcticensis Short & Hochberg, 1970Dicyemennea bathybenthum Furuya & Hochberg, 2002Dicyemennea brevicephala McConnaughey, 1941Dicyemennea brevicephaloides Bogolepova-Dobrokhotova, 1962Dicyemennea californica McConnaughey, 1941Dicyemennea canadensis Furuya, Hochberg & Short, 2002Dicyemennea coromadelensis Kalavati, Narasimhamurti & Suseela, 1978Dicyemennea curta Bogolepova-Dobrokhotova, 1962Dicyemennea discocephalum Hochberg & Short, 1983Dicyemennea dogieli Bogolepova-Dobrokhotova, 1962Dicyemennea dorycephalum Furuya & Hochberg, 2002Dicyemennea eledones (Wagener, 1857)Dicyemennea eltanini Short & Powell, 1969Dicyemennea filiformis Bogolepova-Dobrokhotova, 1962Dicyemennea gracile (Wagener, 1857)Dicyemennea granularis McConnaughey, 1949Dicyemennea gyrinodes Furuya, 1999 - parasitizes Octopus hongkongensis Dicyemennea kaikouriensis Short & Hochberg, 1969Dicyemennea lameerei Nouvel, 1932Dicyemennea littlei Short & Hochberg, 1970Dicyemennea longinucleata Bogolepova-Dobrokhotova, 1962Dicyemennea marplatensis (Penchaszadeh & Christiansen, 1970)Dicyemennea mastigoides Furuya, 1999 - parasitizes Sepia esculenta Dicyemennea minabense Furuya, 1999 - parasitizes Sepia esculenta Dicyemennea nouveli McConnaughey, 1959Dicyemennea ophioides Furuya, 1999 - parasitizes Octopus hongkongensis Dicyemennea parva Hoffman, 1965Dicyemennea pileum Furuya, 2008Dicyemennea rossiae Bogolepova-Dobrokhotova, 1962Dicyemennea rostrata Short & Hochberg, 1969Dicyemennea ryukyuense Furuya, 2006Dicyemennea trochocephalum Furuya, 1999 - parasitizes Octopus hongkongensis Dicyemennea umbraculum Furuya, 2009DicyemodecaDicyemodeca anthinocephalum Furuya, 1999 - parasitizes Octopus dofleini Dicyemodeca deca (McConnaughey, 1957)Dicyemodeca dogieli Bogolepova, 1957Dodecadicyema Kalavati & Narasimhamurti, 1979Dodecadicyema loligoi Kalavati & Narasimhamurti, 1980PleodicyemaPleodicyema delamarei Nouvel, 1961Pseudicyema Nouvel, 1933Pseudicyema cappacephalum Furuya, 2009Pseudicyema nakaoi Furuya, 1999 - parasitizes Sepia lycidas and Sepia esculenta Pseudicyema truncatum (Whitman, 1883)
