Periploma skoglundae P.H. Valentich-Scott& E.V. Coan, 2010
Periploma stearnsii (W.H. Dall, 1896)
Periploma stewartvillensis (FOSSIL) Clark & Woodford, 1927 †
Halistrepta sulcata (W.H. Dall, 1904)
Periploma teevani (L.G. Hertlein& A.M. Strong, 1946)
Cochlodesma tenerum P. Fischer, 1882
Periploma totschiloensis (FOSSIL) Devjatilova & Volobueva,1981 †
Periploma totschiloensis (FOSSIL) L. Krishtofovich, 1981 †
Cochlodesma unda (FOSSIL) Garvie, 2013 †
Cochlodesma undulatum (A.E. Verrill, 1885)
Periploma venezuelana (FOSSIL) F. Hodson, 1931 †