FIGURE 8. P in New species and records of Pyrgulopsis (Gastropoda: Hydrobiidae) from the Snake River basin, southeastern Oregon: further delineation of a highly imperiled fauna

FIGURE 8. P. owyheensis sp. nov. A. Portion of radula ribbon, USNM 1116915. Scale bar = 20 µm. B. Central radular teeth, USNM 1116915. Scale bar = 10 µm. C. Lateral and inner marginal teeth, USNM 1116915. Scale bar = 10 µm. D. Inner marginal tooth, USNM 1116915. Scale bar = 10 µm. E. Outer marginal teeth, USNM 1116915. Scale bar = 10 µm. F. Outer marginal tooth, showing outer wing, USNM 1092854. Scale bar = 10 µm. Wg = wing.