na INLIS000000000006625 Ind 0010-1118006625 A review of the rissoiform gastropods of Southwestern South America (Molusca, Gastropod PONDER, W.F. W.F. Ponder; T.M. Worsfold Los Angeles Sci. Publ. Committee 1994 63 p.: ill.; 25 cm 63 p.: ill.; 25 cm Bibl.: p. 58-63 GATROPODA MOLLUSCA SOUTH AMERICA 242/MS/96