Figure 4 from: Moser B, T. Briggler J, J. Richardson D, D. Schuette C, I. Hammond C, A. Hopkins W, A. Lazo-Wasem E (2013) Redescription and molecular characterization of Placobdella cryptobranchii (Johnson & Klemm, 1977) (Glossiphoniidae, Hirudinida). ZooKeys 338: 1-10. https://doi.org/10.3897/zookeys.338.5995

Figure 4 - Pre-anal papillae of Placobdella cryptobranchii (USNM 1223081). Scale bar equals 0.5 mm.