FIGURE 1. Parvanachis shells. B–D and F–G in Taxonomic revision of the species of Parvanachis Radwin, 1968 (Gastropoda: Columbellidae) from the Gulf of Panama

FIGURE 1. Parvanachis shells. B–D and F–G are preserved specimens, so dark areas on the body whorls of the shells are the coloring of the preserved animal visible through the shell. Scale bar = 1 mm. A. Parvanachis obesa, SBMNH 56943. B. Parvanachis diminuta, USNM 1231301, Isla Venado. C. Parvanachis dichroma, holotype, USNM 1231302, Chumical. D. Parvanachis dichroma, paratype, USNM 1231303, Chumical. E. Anachis albonodosa, paratype, USNM 716233, Mazatlan. F. Parvanachis minibrunnea, holotype, USNM 1231307, Isla Venado. G. Parvanachis minibrunnea, paratype, USNM 1231308, Isla Venado.