Gigantea (flatworm)Gigantea is a genus of land planarians from the Neotropical realm.DescriptionSpecies of Gigantea have a large, broad and flat body. The copulatory apparatus has a permanent penis and the ovovitelline ducts enter the female atrium from below. This definition, however, is incomplete regarding the anatomical features currently considered in the definition of planarian genera and Gigantea is certainly a heterogeneous genus.EtymologyThe name Gigantea comes from the specific epithet, gigantea, of the type-species, originally described as Geoplana gigantea due to its large size.SpeciesCurrently, there are 14 species assigned to the genus Gigantea:Gigantea bistriata Gigantea cameliae Gigantea chiriquii Gigantea gigantea Gigantea gouvernoni Gigantea idaia Gigantea maupoi Gigantea montana Gigantea picadoi Gigantea ronaldsluysi Gigantea sandersoni Gigantea unicolor Gigantea urubambensis ''Gigantea vongunteni''