Iophon is 'n genus van sponsdiere uit die klas van die Demospongiae (gewone sponse). Iophon abnormale (Ridley & Dendy, 1886) Iophon aceratum (Hentschel, 1914) Iophon bipocillum (Aguilar-Camacho, Carballo & Cruz-Barraza, 2014) Iophon cheliferum (Ridley & Dendy, 1886) Iophon chilense (Desqueyroux-Faúndez & Van Soest, 1996) Iophon cylindricum (Ridley & Dendy, 1886) Iophon dogieli (Koltun, 1955) Iophon dubium (Hansen, 1885) Iophon flabellodigitatum (Kirkpatrick, 1907) Iophon frigidum (Lundbeck, 1909) Iophon funis (Topsent, 1892) Iophon gaussi (Hentschel, 1914) Iophon hesperidesi (Rios, Cristobo & Urgorri, 2004) Iophon husvikense (Goodwin, Brewin & Brickle, 2012) Iophon hyndmani (Bowerbank, 1858) Iophon indentatus (Wilson, 1904) Iophon laevistylus (Dendy, 1924) Iophon lamella (Wilson, 1904) Iophon laminale (Ridley & Dendy, 1886) Iophon minor (Brøndsted, 1924) Iophon nigricans (Bowerbank, 1858) Iophon omnivorus (Ridley & Dendy, 1887) Iophon ostiamagna (Wilson, 1904) Iophon piceum (Vosmaer, 1882) Iophon pictoni (Goodwin, Jones, Neely & Brickle, 2011) Iophon pluricorne (Topsent, 1913) Iophon pommeraniae (Thiele, 1903) Iophon proximum (Ridley, 1881) Iophon radiatum (Topsent, 1901) Iophon rayae (Bakus, 1966) Iophon semispinosum (Bergquist, 1961) Iophon spinulentum (Bowerbank, 1866) Iophon terranovae (Calcinai & Pansini, 2000) Iophon timidum (Desqueyroux-Faúndez & Van Soest, 1996) Iophon tubiforme (Desqueyroux-Faúndez & Van Soest, 1996) Iophon unicorne (Topsent, 1907) Iophon variopocillatum (Alander, 1942)