Fig. 2. Scanning electron micrographs of shells and opercula of Pyrgulopsis cybele: A, holotype, USNM 1148155; B, shell, USNM 1157696; C and D, shells, USNM 1128557; E, shell apex, USNM 1157696; F, close-up showing protoconch sculpture, USNM 1157696; G, operculum, outer side, USNM 1157696; H, operculum, inner side, USNM 1157696. Scale bars: A–D = 1.0 mm; E, F = 100 μm; G, H = 200 μm.
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