The discovery of new Chilean taxa revolutionizes the systematics of Geoplaninae Neotropical land planarians (Platyhelminthes: Tricladida) Author Almeida, Ana Laura Author Álvarez-Presas, Marta Author Carbayo, Fernando text Zoological Journal of the Linnean Society 2023 2022-11-07 197 4 837 898 http://dx.doi.org/10.1093/zoolinnean/zlac072 journal article 10.1093/zoolinnean/zlac072 0024-4082 010109AB-79F5-4E6D-909B-08BB1803E589 PICHIDAMAS BULNES ET AL. , 2018 Type species: Pichidamas piru Bulnes et al. , 2018 , designated by Bulnes et al. , (2018). Neae diagnosis: Sarcoplanini with a small- to mediumsized body, subcylindrical, slender with nearly parallel margins and anterior extremity rounded. Eyes monolobulate, distributed along the body margins. Cephalic retractor muscle present, derived from ventral longitudinal cutaneous musculature. Five parenchymal muscle layers, the ventralmost layer consisting of decussate fibres and located to the inside of the peripheral nerve plexus. Distal portion of male atrium with an adenodactyl. Penis eversible. Ovovitelline ducts ventral, opening to the common ovovitelline duct from posteroventral. Distribution: Regions Maule and Los Lagos , Chile . PICHIDAMAS GNYTHOS ALMEIDA & CARBAYO