Two new species of terrestrial planarians in the family Geoplanidae, Geopla
na franciscana and Notogynaphallia guaiana, from the State of Rio Grande do
Sul, Brazil, are described. Both species have a multilayered lining in the
female atrium. The study of specimens of N. goetschi, aimed at comparing i
t to N. guaiana, reveals the need for a re-description and review of N. goe
tschi.