Molecular phylogeny of Geoplaninae (Platyhelminthes) challenges current classification: proposal of taxonomic actions Author Fernando Carbayo Author Marta Álvarez-Presas Author Cĺaudia T. Olivares Author Fernando P. L. Marques Author Eud Óxia M. Froehlich Author Marta Riutort text Zoologica Scripta 2013 42 508 528 journal article 10.5281/zenodo.399812 72c98004-b882-4508-a00c-c1e3ad27faaa 399812 C9E06103-0179-4739-AF18-A159097A3902 Genus Imbira , gen. n Etymology . In Tupi (Indigenous Brazilian language), Imbira is a strip of bark peeled off from certain trees; it alludes to the body shape of the species of the genus. The gender is female. Diagnosis . Geoplaninae with large-sized body, 90– 140 mm in length, body slender, flattened, with margins parallel; eyes monolobulated, marginally arranged along the body; parenchymatic muscle layers of longitudinal fibres, dorsally and ventrally to the intestine, in addition to the three common parenchymatic muscle layers; prostatic vesicle extrabulbar, long-branched; penis papilla eversible; male atrium folded; ascending portion of the ovovitelline ducts lateral to the gonopore canal or to the female atrium and joining each other above female atrium; genital canal dorso-anteriorly flexed, arising from the postero-dorsal region of the female atrium; female atrium rounded, clothed with an epithelium with multilayered aspect. Distribution . States of Rio de Janeiro, Stao Paulo, Parańa, Santa Catarina and Rio Grande do Sul, in Brazil . Type species . Notogynaphallia guaiana Leal-Zanchet & Carbayo, 2001 Species of Imbira . Imbira guaiana (Leal-Zanchet & Carbayo, 2001) *