na INLIS000000000004050 Ind 0010-1118004050 Pleioptygmatidae, a new family of mitriform gastropods (Prosobranchia : Negastropoda) QUINN, James F. (Jr.) James F. Quinn, Jr. 7 p.: ill.; 29 cm. 7 p.: ill.; 29 cm. Repr. from: The Nautilus 103(1): 13-19, 1989 p. 13-19. Bibl.: p. 19 594.3 GASTROPODA NEOGASTROPODA PLEIOPTYGMATIDAE mfn-5792