Tralia vanderbilti J.S. Schwengel, 1938
Pythia variabilis J.B. Hombron& C.H. Jacquinot, 1847
Melampus variabilis J. Gassies, 1863
Zospeum vasconicum C.E. Prieto, de Winter& A. Jochum, 2015
Marinula velaini M. Connolly, 1915
Cassidula vespertilionis (R.P. Lesson, 1831)
Semiauricula volutella (FOSSIL) A.E.M. Cossmann& G. Pissarro, 1913 †
Ovatella vulcani (P.M.A. Morelet, 1860)
Auriculinella whitei (FOSSIL) L. von G. Tausch, 1886 †
Detracia wolfi (K. Miller, 1879)
Marinula xanthostoma H. Adams & A. Adams, 1855
Zospeum zaldivarae C.E. Prieto, de Winter& A. Jochum, 2015
Carychium zarzaae Jochum & Weigand, 2017
Detracia zeteki H.A. Pilsbry, 1920
Cassidula zonata H. Adams & A. Adams, 1855
Melampus zonatus H.E. Anton, 1837