Abstract
Taxonomic revision of the land planarians of Geoplana (Platyhelminthes, Tricladida). Landplanarians (Platyhelminthes) are ideal organisms as a model for studies on conservation biology. This is because of their ecological requirements and poor vagility. Members of Geoplaninae Stimpson, 1957 include approximately 270 species of neotropical land planarians. Geoplana Stimpson, 1857, the type…