| anatomical deviation of male organs of land planarians from rio de janeiro, brazil, with description of two new species of cratera (platyhelminthes, tricladida). | two new land planarian species, collected in the state of rio de janeiro, brazil, are described. their external aspect is similar to that of imbira marcusi carbayo et al., 2013 and pseudogeoplana theresopolitana (schirch, 1929), respectively. the analysis of the internal organs, however, revealed they belong to the genus cratera. the male copulatory organs of one species is very different from any other geoplaninid, for the penis papilla holds a large, distal cavity receiving the ejaculatory duc ... | 2015 | 25781812 |