Figure 9 from: Hershler R, Liu H, Bradford C (2013) Systematics of a widely distributed western North American springsnail, Pyrgulopsis micrococcus (Caenogastropoda, Hydrobiidae), with descriptions of three new congeners. ZooKeys 330: 27-52. https://doi.org/10.3897/zookeys.330.5852

Figure 9 - Shells, opercula and radula, Pyrgulopsis turbatrix. A Paratype, USNM 860699. B–D Shells, SBMNH uncat., USNM 853508, USNM 853510 E, F Opercula (outer, inner sides), USNM 860699 G Portion of radular ribbon, USNM 860699 H Central teeth, USNM 860699 I Lateral and outer marginal teeth, USNM 860699. Scale bars A–D 1.0 mm; E, F 250 µm; G 20 µm; H, I 10 µm.