Annulobalcis vinarius P.Y. Dgebuadze, A.E. Fedosov& Y.I. Kantor, 2012
Oceanida vincta (A. Adams, 1864)
Pyramidelloides viticula C.F. Laseron, 1956
Hemiliostraca vittata (C.F. Laseron, 1955)
Heterospira vivipariformis (FOSSIL) Pan, 1977 †
Megadenus voeltzkovi M.M. Schepman& H.F. Nierstrasz, 1914
Melanella waiaotea (FOSSIL) (C.R. Laws, 1941 †)
Margineulima waihaoensis (FOSSIL) (R.S. Allan, 1926 †)
Balcis waikomitica (FOSSIL) C.R. Laws 1939 †
Hemiliostraca waltersi (C.F. Laseron, 1955)
Annulobalcis wareni P.Y. Dgebuadze, A.E. Fedosov& Y.I. Kantor, 2012
Hoenselaaria wareni R.G. Moolenbeek, 2009
Sticteulima wareni W. Engl, 1997
Vitreolina wareni H.A. Rehder, 1980
Eulima wetherelli R.B. Newton, 1891
Oceanida whitechurchi (W.H. Turton, 1932)
Niso willcoxiana (FOSSIL) W.H. Dall, 1889 †
Hypermastus williamsi (B.C. Cotton& F.C. Godfrey, 1932)
Nanobalcis worsfoldi A. Warén, 1990
Mucronalia xanthias R.B. Watson, 1886
Annulobalcis yamamotoi T. Habe, 1974
Pelseneeria yamamotoi (T. Habe, 1952)
Melanella yamazii (T. Habe, 1952)
Amamibalcis yessonensis A. Rybakov & Y.M. Yakovlev,1993
Vitreolina yod (P.P. Carpenter, 1857)
Balcis yokosukensis (FOSSIL) (M. Yokoyama, 1920 †)
Niso yokoyamai J.T. Kuroda & T. Habe,1950
Stilapex zebra T. Habe, 1976
Melanella zugnigae J. Espinosa, J.A. Ortea& J. Magaña, 2001