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: \n* Dicyema von Kolliker, 1849 \n* Dicyema acciaccatum McConnaughey, 1949 \n* Dicyema acheroni McConnaughey, 1949 \n* Dicyema acuticephalum Nouvel, 1947 - parasitizes Octopus vulgaris \n* Dicyema aegira McConnaughey & Kritzler, 1952 \n* Dicyema akashiense Furuya, 2005 \n* Dicyema apalachiensis Short, 1962 \n* Dicyema apollyoni Nouvel, 1947 \n* Dicyema australis Penchaszadeh, 1969 \n* Dicyema awajiense Furuya, 2005 \n* Dicyema balanocephalum Furuya, 2006 \n* Dicyema banyulensis Furuya & Hochberg, 1999 \n* Dicyema benedeni Furuya & Hochberg, 1999 \n* Dicyema benthoctopi Hochberg & Short, 1970 \n* Dicyema bilobum Couch & Short, 1964 \n*