Ciliocincta Kozloff, 1965 (basis of record)
Ciliocincta julini (Caullery & Mesnil, 1899) (basis of record)
Conocyema Van Beneden, 1882 (basis of record)
Conocyema polymorpha Van Beneden, 1882 (basis of record)
Conocyemidae (basis of record)
Dicyema von Kölliker, 1849 (basis of record)
Dicyema macrocephalum (Van Beneden, 1876) (basis of record)
Dicyema megalocephalum Nouvel, 1934 (basis of record)
Dicyema microcephalum Whitman, 1883 (basis of record)
Dicyema monodi Nouvel, 1934 (basis of record)
Dicyema moschatum Whitman, 1883 (basis of record)
Dicyema paradoxum von Kölliker, 1849 (basis of record)
Dicyema rondeletiolae Nouvel, 1944 (basis of record)
Dicyema schulzianum (Van Beneden, 1876) (basis of record)
Dicyema typus Van Beneden, 1876 (basis of record)
Dicyemennea Whitman, 1883 (basis of record)
Dicyemennea eledones (Wagener, 1857) (basis of record)
Dicyemennea gracile (Wagener, 1857) (basis of record)
Dicyemennea lameerei Nouvel, 1932 (basis of record)
Dicyemida (basis of record)
Dicyemidae van Beneden, 1882 (basis of record)
Heterocyemida (basis of record)
Intoshia Giard, 1877 (basis of record)
Intoshia leptoplanae Giard, 1877 (basis of record)
Intoshia linei Giard, 1877 (basis of record)
Intoshia major Shtein, 1953 (basis of record)
Intoshia paraphanostomae (Westblad, 1942) (basis of record)
Mesozoa accepted as Dicyemida (basis of record)
Microcyema Van Beneden, 1882 (basis of record)
Microcyema vespa Van Beneden, 1882 (basis of record)
Orthonectida (basis of record)
Pelmatosphaera Caullery & Mesnil, 1904 (basis of record)
Pelmatosphaera polycirri Caullery & Mesnil, 1904 (basis of record)
Pelmatosphaeridae Stunkard, 1937 (basis of record)
Pleodicyema Nouvel, 1961 (basis of record)
Pleodicyema delamarei Nouvel, 1961 (basis of record)
Pseudicyema Nouvel, 1933 (basis of record)
Pseudicyema truncatum (Whitman, 1883) (basis of record)
Rhombozoa (basis of record)
Rhopalura Giard, 1877 (basis of record)
Rhopalura elongata Shtein, 1953 (basis of record)
Rhopalura gigas (Giard, 1877) (basis of record)
Rhopalura granosa Atkins, 1933 (basis of record)
Rhopalura intoshi Metchnikoff, 1881 (basis of record)
Rhopalura litoralis Shtein, 1953 (basis of record)
Rhopalura metschnikowi accepted as Intoshia metchnikovi (Caullery & Mesnil, 1899) (basis of record)
Rhopalura murmanica Shtein, 1953 (basis of record)
Rhopalura ophiocomae Giard, 1877 (basis of record)
Rhopalura philinae Lang, 1954 (basis of record)
Rhopalura pterocirri de Saint-Joseph, 1896 (basis of record)
Rhopaluridae Stunkard, 1937 (basis of record)
Stoecharthrum Caullery & Mesnil, 1899 (basis of record)
Stoecharthrum giardi Caullery & Mesnil, 1899 (basis of record)
Stoecharthrum monnati Kozloff, 1993 (basis of record)