FIGURE 6. P in Two new, possibly threatened species of Pyrgulopsis (Gastropoda: Hydrobiidae) from southwestern California

FIGURE 6. P. milleri sp. nov. A–D. Shells. Scale = 1.0 mm. A. Holotype, SBMNH 83651. B–C. Paratypes, SBMNH 74688. D. SBMNH 74687. E. Shell apex, SBMNH 74688. Scale = 100 µm. F. Close-up of protoconch sculpture, SBMNH 74688. Scale = 100 µm. G–I. Opercula, USNM 90527. Scale = 500 µm. G. Outer side. H–I. Inner side, showing variation in thickening of attachment scar margin.