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 POLYCLADINI ALMEIDA & CARBAYO TRIB. NOV. Zoobank registration: urn: lsid: zoobank. org:act: 90FE6A73-FA83-4759-A5E7-0C7A64E4D630 Type genus: Polycladus Blanchard, 1845 . Diagnosis: Geoplaninae with a large-sized and extraordinarily wide and flattened body. Eyes marginal. Creeping sole wide. Both transverse a subneural parenchymal muscle and a layer of longitudinal transneural parenchymal muscle present. Polycladini comprises only the genus Polycladus . Etymology: The name of the tribe is based on the name of its type genus. Distribution: Many localities across Chile, approximately between the latitudes 36°44′ 44°40′ and between the regions Biobío and Aysén (see: BarahonaSegovia et al ., 2020).