THOMPSON: SNAIL GENUS MARSTONIA


 1mm
FIGURE 1.-(A, B) Marstonia arga new species, HOLOTYPE: UF 22286; (C) Marstonia ognior-
haphe new species, HOLOTYPE: UF 22179; (D) Marstonia olivacea (Pilsbry), LECTOTYPE:
ANSP 65460a.


1977