Holotype specimen of Placobdella siddalli Richardson & Moser, YPM 083857 A Dorsal surface B Ventral surface. Scale bar: 2 mm.

 
 
  Part of: Richardson DJ, Moser WE, Hammond CI, Lazo-Wasem EA, McAllister CT, Pulis EE (2017) A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligator mississippiensis) in Mississippi, USA. ZooKeys 667: 39-49. https://doi.org/10.3897/zookeys.667.10680