Prosipho wayae W. Engl, 2005
Monostiolum weberi (G.T. Watters, 1983)
Cantharus wenzi (FOSSIL) Renard, 1994 †
Ameranna willemsae (D. De Jong & H.E. Coomans,1988)
Aeneator willetti (FOSSIL) (C.A. Fleming, 1955 †)
Engina williamsae G.T. Watters & K. Fraussen,2015
Penion winthropi (FOSSIL) J. Marwick, 1965 †
Amarophos woodringi (FOSSIL) B.M. Landau & F. Da Silva,2012 †
Pollia wrightae (W.O. Cernohorsky, 1974)
Clea wykoffi R.A.M. Brandt, 1974
Bathybuccinum yadai K. Fraussen & M. Chino,2009
Plicifusus yessoensis (L. von Schrenck, 1863)
Buccinum yokomaruae H. Yamashita & T. Habe,1965
Neptunea yokoyamai (FOSSIL) K. Oyama, 1954 †
Siphonalia yonabaruensis (FOSSIL) F.S. MacNeil, 1960 †
Buccinum yoroianum H. Ozaki, 1958
Cominella youngi A.W.B. Powell, 1940
Ancistrolepis yudaensis (FOSSIL) Y. Otuka, 1934 †
Engina zea J.C. Melvill, 1893
Buccinum zelotes W.H. Dall, 1907
Tacita zenkevitchi V.J. Lus, 1975
Engina zepa (P.L. Duclos, 1848)
Calagrassor zephyrus (K. Fraussen, J. Sellanes& P. Stahlschmidt, 2012)
Austrofusus zitteli (FOSSIL) (H.H. Suter, 1914 †)
Engina zonalis (J.B.P.A. Lamarck, 1822)