Species within the genus
Monoplex include: •
Monoplex amictus (Reeve, 1844) •
Monoplex aquatilis (Reeve, 1844) • †
Monoplex cecilianus (Dall, 1916) • †
Monoplex cercadicus (Maury, 1917) •
Monoplex comptus (A. Adams, 1855) •
Monoplex corrugatus (Lamarck, 1816) • †
Monoplex dissimilis Landau, Beu, Breitenberger & Dekkers, 2020 • †
Monoplex distortus (Brocchi, 1814) • †
Monoplex doderleini (D'Ancona, 1873) •
Monoplex durbanensis (E.A. Smith, 1899) •
Monoplex exaratus (Reeve, 1844) • †
Monoplex gatunicus Beu, 2010 •
Monoplex gemmatus (Reeve, 1844) • †
Monoplex gradatus Craig, Tracey & Gain, 2020 • †
Monoplex gurabonicus (Maury, 1917) • †
Monoplex heptagonus (Brocchi, 1814) •
Monoplex intermedius (Pease, 1869) • †
Monoplex jackwinorum Beu, 2010 •
Monoplex keenae Beu, 1970 •
Monoplex klenei (G.B. Sowerby III, 1889) •
Monoplex krebsii (Mörch, 1877) •
Monoplex lignarius (Broderip, 1833) • †
Monoplex longispira Beu, 2010 •
Monoplex macrodon (Valenciennes, 1832) •
Monoplex mundus (Gould, 1849) •
Monoplex nicobaricus (Röding, 1798) •
Monoplex norai (Garcia-Talavera & de Vera, 2004) • †
Monoplex panamensis Beu, 2010 •
Monoplex parthenopeus (Salis Marschlins, 1793) •
Monoplex penniketi (Beu, 1998) •
Monoplex pilearis (Linnaeus, 1758) • †
Monoplex rembangensis (Wanner & Hahn, 1935) • †
Monoplex ritteri Schmelz, 1989 • †
Monoplex subcorrugatus (d'Orbigny, 1852) •
Monoplex thersites (Reeve, 1844) •
Monoplex tranquebaricus (Lamarck, 1816) •
Monoplex trigonus (Gmelin, 1791) •
Monoplex turtoni (E.A. Smith, 1890) •
Monoplex vespaceus (Lamarck, 1822) •
Monoplex vestitus (Hinds, 1844) •
Monoplex wiegmanni (Anton, 1838) ;Species brought into synonymy : •
Monoplex australasiae Perry, 1811: synonym of
Monoplex parthenopeus (Salis Marschlins, 1793) •
Monoplex capitatus Perry, 1811: synonym of
Tudicla spirillus (Linnaeus, 1767) •
Monoplex cornutus Perry, 1811: synonym of
Monoplex exaratus (Reeve, 1844) •
Monoplex formosus Perry, 1811: synonym of
Ranularia gutturnia (Röding, 1798) •
Monoplex martinianus (d'Orbigny, 1847): synonym of
Monoplex pilearis (Linnaeus, 1758) •
Monoplex oboesa Perry, 1811: synonym of
Ranularia oboesa (Perry, 1811) ==References==