Pseudogeoplana arpi (Schirch 1929), photomicrographs of syntype B A transverse section of anterior extremity B transverse section of pre-pharyngeal region C transverse section of anterior extremity D horizontal section of testicular region.

 
 
  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