Dicyemidae van Beneden, 1882
Dicyema acciacatum McConnaughey, 1949
Dicyema acciaccatum McConnaughey, 1949
Dicyema acheroni McConnaughey, 1949
Dicyema acuticephalum Nouvel, 1947
Dicyema aegira McConnaughey & Kritzler, 1952
Dicyema akashiense Furuya, 2006
Dicyema apalachiensis Short, 1961
Dicyema apollyoni Nouvel, 1947
Dicyema australis Penschaszadeh, 1968
Dicyema awajiense Furuya, 2006
Dicyema balamuthi McConnaughey, 1949
Dicyema balanocephalum Furuya, 2006
Dicyema banyulensis Furuya & Hochberg, 1999
Dicyema benedeni Furuya & Hochberg, 1999
Dicyema benthoctopi Hochberg & Short, 1970
Dicyema bilobum Couch & Short, 1964
Dicyema briarei Short, 1961
Dicyema caudatum Bogolepova, 1960
Dicyema clavatum Furuya, Tsuneki & Koshida
Dicyema colurum Furuya, 1999
Dicyema dolichocephalum Furuya, 1999
Dicyema erythrum Furuya, 1999
Dicyema ganapatii Kalavati, Narasimhamurti & Suseela, 1984
Dicyema hadrum Furuya, 1999
Dicyema helocephalum Furuya, 2006
Dicyema hypercephalum Short, 1961
Dicyema irinoense Furuya, 2005
Dicyema irintosaenseoense Furuya, 2005
Dicyema japonicum Furuya, Tsuneki & Koshida
Dicyema knoxi Short, 1971
Dicyema koshidai Furuya & Tsuneki, 2005
Dicyema leiocephalum Furuya, 2006
Dicyema lycidoeceum Furuya, 1999
Dicyema macrocephalum (van Beneden, 1878)
Dicyema madrasensis Kalavati, Narasimhamurti & Suseela, 1984
Dicyema maorum Short, 1971
Dicyema megalocephalum Nouvel, 1934
Dicyema microcephalum Whitman, 1883
Dicyema misakiense Nouvel & Nakao, 1938
Dicyema monodi Nouvel, 1934
Dicyema moschatum Whitman, 1883
Dicyema nouveli Kalavati, Narasimhamurti & Suseela, 1984
Dicyema octopusi Kalavati, Narasimhamurti & Suseela, 1984
Dicyema oligomerum Bogolepova, 1960
Dicyema orientale Nouvel & Nakao, 1938
Dicyema oxycephalum Furuya, 2009
Dicyema paradoxum von Kölliker, 1849
Dicyema plathycephalum Penchaszadeh, 1969
Dicyema platycephalum Penschaszadeh, 1969
Dicyema rhadinum Furuya, 1999
Dicyema robsonellae Short, 1971
Dicyema rondeletiolae Nouvel, 1944
Dicyema schulzianum van Beneden, 1876
Dicyema sepiellae Furuya, 2008
Dicyema shimantoense Furuya, 2008
Dicyema shorti Furuya, Damian & Hochberg, 2002
Dicyema sphaerocephalum Furuya, 2005
Dicyema sphyrocephalum Furuya, 1999
Dicyema sullivani McConnaughey, 1949
Dicyema tosaense Furuya, 2005
Dicyema truncatum Whitman, 1883
Dicyema typoides Short, 1961
Dicyema typus van Beneden, 1876
Dicyema whitmani Furuya & Hochberg, 1999