Vanikoridae Gray, 1845
Megalomphalus adamsii (P. Fischer, 1857)
Megalomphalus azoneus (Brusina, 1865)
Megalomphalus azonus (Brusina, 1865)
Megalomphalus californicus (Dall, 1903)
Megalomphalus caro Dall, 1927
Megalomphalus disciformis (Granata-Grillo, 1877)
Megalomphalus floridanus (Moore, 1965)
Megalomphalus lamellosus (d'Orbigny, 1842)
Megalomphalus margaritae Rolán & Rubio, 1998
Megalomphalus millerae (Nowell-Usticke, 1959)
Megalomphalus oxychone (Mörch, 1877)
Megalomphalus palmalitoris (Pilsbry & McGinty, 1950)
Megalomphalus petitianus (Tiberi, 1869)
Megalomphalus pierrot (Gardner, 1948)
Megalomphalus pilsbryi (Olsson & McGinty, 1958)
Megalomphalus ronaldi Segers, Swinnen & De Prins, 2009
Megalomphalus schmiederi J. H. McLean, 1996
Megalomphalus serus Rolán & Rubio, 1999
Megalomphalus troudei (Bavay, 1908)
