Periploma skoglundae P.H. Valentich-Scott& E.V. Coan, 2010 Mexico, Jalisco11 mm
Periploma stearnsii (W.H. Dall, 1896) Baja California North
Periploma stewartvillensis (FOSSIL) Clark & Woodford, 1927 † USA, California, Contra Costa
Halistrepta sulcata (W.H. Dall, 1904) California, San Pedro
Periploma teevani (L.G. Hertlein& A.M. Strong, 1946)
Cochlodesma tenerum P. Fischer, 1882 Mediterranean Sea10 mm
Periploma totschiloensis (FOSSIL) Devjatilova& Volobueva, 1981 † Western Kamchatka
Periploma totschiloensis (FOSSIL) L. Krishtofovich, 1981 † Russia, Anadyr' River
Cochlodesma unda (FOSSIL) Garvie, 2013 † Texas
Cochlodesma undulatum (A.E. Verrill, 1885) New York. Long Island
Periploma venezuelana (FOSSIL) F. Hodson, 1931 † Venezuela, Falcón