Aeginorhodus Haeckel, 1879 (original description)
Aeginura Haeckel, 1879 (original description)
Aequoranna Haeckel, 1879 (original description)
Aequoraria Haeckel, 1879 (original description)
Aequorella Haeckel, 1879 (original description)
Aequorissa Haeckel, 1879 (original description)
Aequoroma Haeckel, 1879 (original description)
Aglantha Haeckel, 1879 (original description)
Agliscra Haeckel, 1879 (original description)
Amphicodon Haeckel, 1879 accepted as Hybocodon L. Agassiz, 1860 (original description)
Amphinema Haeckel, 1879 (original description)
Aureletta Haeckel, 1879 (original description)
Aurelissa Haeckel, 1879 (original description)
Auricoma Haeckel, 1879 (original description)
Aurosa Haeckel, 1880 (original description)
Cannorhiza Haeckel, 1880 (original description)
Cannota Haeckel, 1879 (original description)
Eucopium Haeckel, 1879 accepted as Clytia Lamouroux, 1812 (original description)
Eucrambessa Haeckel, 1880 (original description)
Eupilema Haeckel, 1880 (original description)
Eutimalphes Haeckel, 1879 (original description)
Eutimeta Haeckel, 1879 accepted as Eutima McCrady, 1859 (original description)
Eutimium Haeckel, 1879 accepted as Eutima McCrady, 1859 (original description)
Gastroblastus Haeckel, 1879 (original description)
Irenium Haeckel, 1879 (original description)
Margellium Haeckel, 1879 (original description)
Marmanema Haeckel, 1879 (original description)