Arachnidium Hincks, 1877 accepted as Arachnidium Hincks, 1859 (original description)
Atrax O. Pickard-Cambridge, 1877 (original description)
Bellidia Gosse, 1877 accepted as Hippolyte Leach, 1814 [in Leach, 1813-1814] (original description)
Chalia Moore, 1877 accepted as Chaliella Betrem, 1952 (original description)
Chlamys Young & Young, 1877 † accepted as Youngella de Laubenfels in Moore, 1955 † (original description)
Cynarina Brüggemann, 1877 (original description)
Dondera Moore, 1877 (original description)
Gelastocera Butler, 1877 (original description)
Gonoclostera Butler, 1877 (original description)
Gypsina Carter, 1877 (original description)
Hancockia Gosse, 1877 (original description)
Haplistion Young & Young, 1877 † (original description)
Homophyllia Brüggemann, 1877 (original description)
Hupodonta Butler, 1877 (original description)
Hypsomadius Butler, 1877 (original description)
Manatha Moore, 1877 (original description)
Mastigophora Hincks, 1880 accepted as Herentia Gray, 1848 (original description)
Mauricea Carter, 1877 accepted as Phyllospongia Ehlers, 1870 (original description)
Megapora Hincks, 1877 (original description)
Melanaema Butler, 1877 (original description)
Merragata White, 1877 (original description)
Microporella Hincks, 1877 (original description)
Monobrachium Mereschkowsky, 1877 (original description)
Mucronella Hincks, 1880 accepted as Escharella Gray, 1848 (original description)
Oorhiza Mereschkowsky, 1877 accepted as Hydractinia van Beneden, 1844 (original description)
Pachiosia Butler, 1877 (original description)
Phrixolepia Butler, 1877 (original description)
Pleopus Owen, 1877 accepted as Hypsiprymnodon Ramsay, 1876 (original description)
Polyserias Mereschkowsky, 1877 (original description)
Prasopora Nicholson & Etheridge, 1877 † (original description)
Pryeria Moore, 1877 (original description)
Psychogoes Butler, 1877 (original description)
Psychogoës Butler, 1877 accepted as Psychogoes Butler, 1877 (original description)
Psychostrophia Butler, 1877 (original description)
Pterodecta Butler, 1877 (original description)
Rhynchopora Hincks, 1877 accepted as Rhynchozoon Hincks, 1895 (original description)
Rhyparioides Butler, 1877 (original description)
Schizoporella Hincks, 1877 (original description)
Schizotheca Hincks, 1877 (original description)
Semisuberites Carter, 1877 (original description)
Setosella Hincks, 1877 (original description)
Soronia Moore, 1877 (original description)
Styphloderma Waterhouse, 1877 accepted as Megacephala Latreille, 1802 (original description)
Tappesia Baly, 1877 (original description)
Thanatarctia Butler, 1877 (original description)