Turbellarian taxonomic database

Geoplanini Geoplana Diagnosis

Geoplaninae with medium-sized body, 30–100 mm in length; body slender, with nearly parallel margins; dorsum strongly convex; eyes monolobulated, cone shaped in the anterior region of the body; muscle tube around the intestine composed of parenchymatic longitudinal muscle fibres; pharynx cylindrical; prostatic vesicle intrabulbar, narrow; thick well-delimited male genital muscle coat and; penis papilla protrusible, cylindrical, very long, extending even along the entire female genital atrium; muscle fibres of penis papilla and ejaculatory duct densely packed in a thick layer; male atrium not folded; ascending portion of the ovovitelline ducts lateral to female atrium, joining each other above it; genital canal dorso-anteriorly flexed, arising from the posterior region of the female atrium; female atrium long, not folded.

[From Carbayo F, Alvarez-Presas M, Olivares CT, Marques FPL, Froehlich EM, Riutort M (2013): 12]

Return to Geoplanini Geoplana