Conocyema Van Beneden, 1882 (extant flag source)
Conocyema Van Beneden, 1882 (basis of record)
Dicyema von Kölliker, 1849 (basis of record)
Dicyema von Kölliker, 1849 (extant flag source)
Dicyemennea Whitman, 1883 (extant flag source)
Dicyemennea Whitman, 1883 (basis of record)
Microcyema Van Beneden, 1882 (basis of record)
Microcyema Van Beneden, 1882 (extant flag source)
Pelmatosphaera Caullery & Mesnil, 1904 (basis of record)
Pelmatosphaera Caullery & Mesnil, 1904 (extant flag source)
Pseudicyema Nouvel, 1933 (extant flag source)
Pseudicyema Nouvel, 1933 (basis of record)
Rhopalura Giard, 1877 (basis of record)
Rhopalura Giard, 1877 (extant flag source)
Stoecharthrum Caullery & Mesnil, 1899 (extant flag source)
Stoecharthrum Caullery & Mesnil, 1899 (basis of record)