Potamolithus sp. 4 A (dorsal view) B (apertural view) C (apical view); Potamolithus sp. 5 D (dorsal view) E (apertural view) F (apical view); Potamolithus sp. 6 G (dorsal view) H (apertural view); Potamolithus sp. 7 I (dorsal view) J (apertural view) K (apical view). Scale bars: 1 mm. (Photographs: LBR Fernandes).

 
 
  Part of: Bichuette ME, Trajano E (2018) Diversity of Potamolithus (Littorinimorpha, Truncatelloidea) in a high-diversity spot for troglobites in southeastern Brazil: role of habitat fragmentation in the origin of subterranean fauna, and conservation status. Subterranean Biology 25: 61-88. https://doi.org/10.3897/subtbiol.25.23778