Matuxia, Fernando Carbayo, Marta Álvarez-Presas, Cĺaudia T. Olivares, Fernando P. L. Marques, Eud Óxia M. Froehlich & Marta Riutort, 2013

Fernando Carbayo, Marta Álvarez-Presas, Cĺaudia T. Olivares, Fernando P. L. Marques, Eud Óxia M. Froehlich & Marta Riutort, 2013, Molecular phylogeny of Geoplaninae (Platyhelminthes) challenges current classification: proposal of taxonomic actions, Zoologica Scripta 42, pp. 508-528 : 522

Genus Matuxia gen. n

Etymology. Matuxia is a free association of the epithetic names matuta and tuxaua and the first name of Dr. Eudóxia Maria Froehlich, who described the two species of the new genus. The gender is female.

Diagnosis. Geoplaninae with medium-sized body, 45– 120 mm in length; body slender, margins nearly parallel, dorsum and ventral side slightly convex; eyes monolobulat- ed, marginally arranged along the body; pharynx cylindrical; prostatic vesicle intrabulbar, bifurcated proximally and broadly communicated with an ejaculatory cavity inside penis papilla; penis papilla apparent, with dorsal insertion posterior to the ventral; male atrium not folded, separate from the female by a fold; ascending portion of the ovovitelline ducts lateral to the gonopore canal or to the female atrium, joining each other above it; genital canal dorsoanteriorly flexed, arising from the dorsal region of the female atrium; female atrium rounded, clothed with an epithelium with multilayered aspect.

Distribution. States of Rio de Janeiro and Stao Paulo, in Brazil.

Type species. Geoplana tuxaua E. M. Froehlich, 1955b

Species of Matuxia .

Matuxia tuxaua ( E. M. Froehlich, 1955b) * Matuxia matuta ( E. M. Froehlich, 1955b) *