Pseudogeoplana arpi (Schirch 1929) A syntype A virtual sagittal section of pharynx, pixel size: 10 µm B syntype B diagrammatic reconstruction of sagittal sections of pharynx C syntype B photomicrograph of sagittal section of incipient copulatory apparatus D syntype B reconstruction of incipient copulatory apparatus.

 
 
  Part of: Silva MS, Carbayo F (2020) X-ray microcomputed tomography applied to the taxonomic study of rare material: redescriptions of seven of Schirch’s Brazilian species of land planarians (Geoplanidae, Platyhelminthes). ZooKeys 910: 1-42. https://doi.org/10.3897/zookeys.910.39486