Tritonia affinis (J.B.P.A. Lamarck, 1819)
Marionia albotuberculata C.N.E. Eliot, 1904
Tritonia auriculata (C. Linnaeus)
Tritonia australis (L.S.R. Bergh, 1898)
Marioniopsis babai N.H. Odhner, 1936
Marionia bathycarolinensis V.G. Smith & T.M. Gosliner,2005
Tritonia bayeri Ev. Marcus & Er. Marcus,1967
Tritoniella belli C.N.E. Eliot, 1907
Marionia blainvillea (A. Risso, 1818)
Tritonia bollandi V.G. Smith & T.M. Gosliner,2003
Tritoniopsilla brucei (C.N.E. Eliot, 1905)
Marionia cabindae K.M. White, 1955
Tritonidoxa capensis L.S.R. Bergh, 1907
Tritonia challengeriana L.S.R. Bergh, 1884
Tritonia challengeriana antarctica G.J. Pfeffer, 1886
Marionia chloanthes L.S.R. Bergh, 1902
Tritoniopsis cincta (A. Pruvot-Fol, 1937)
Tritonia citrina Kröyer, 1847
Tritonia coralliumrubri M. Doneddu, F. Sacco& E. Trainito, 2014
Marionia cucullata (J.P.Y. Couthouy, 1852)
Marionia cyanobranchiata (W.P.E.S. Rüppell& F.S. Leuckart, 1828)
Marionia dakini (O'Donoghue, 1924)
Tritonia dantarti E. Ballesteros & F.W. Avila,2006
Marionia distincta L.S.R. Bergh, 1905
Tritonia dubia (L.S.R. Bergh, 1888)
Marionia echinomuriceae K.R. Jensen, 1994
Tritoniopsis elegans (J.V. Audouin, 1826)
Marionia elongoreticulata V.G. Smith & T.M. Gosliner,2007
Marionia elongoviridis V.G. Smith & T.M. Gosliner,2007
Tritonia episcopalis P. Bouchet, 1977
Tritonia exsulans L.S.R. Bergh, 1894
Tritonia fasciculata (P. Forsskål)
Tritonia festiva (R.E.C. Stearns, 1873)
Tritonia flemingi (A.W.B. Powell, 1937)
Tritoniopsis frydis Er. Marcus & Ev. Marcus,1970