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 ADINOPLANA ALMEIDA & CARBAYO GEN. NOV. Zoobank registration: urn: lsid: zoobank. org:act: 24048A1B-2872-4058-9E11-2A33A8523F16 Type species: Adinoplana alerna Almeida & Carbayo sp. nov. Distribution: As for that of the tribe. Diagnosis: Adinoplanini with a medium-sized body, approximately 50 mm in length. Eyes and sensory pits surround the entire cephalic region. Eyes located dorsally. Thickness of the cutaneous musculature relative to the body height 10–16%. Testes extend posteriorly to the level of the prostatic vesicle. Prostatic vesicle extrabulbar. Penis papilla cylindrical. Male and female atria long, both provided with musculoglandular organs. Common ovovitelline duct long and dorsal to the female atrium. Female genital canal projects anteriorly from the dorsal region of the female atrium. Etymology: Adinoplana is derived from the Greek adinos , meaning crowded (regarding the numerous and varied musculoglandular organs), and the Latin plana , meaning flat (regarding the body shape). The gender is feminine.