Turbellarian taxonomic database
Geoplanini Obama Diagnosis
Geoplaninae with medium-sized to large body, 30–300 mm in length; body broad, flattened, leaf-shaped; eyes mono- and trilobulated, dorsal; part of the sensory pits arranged in 2–4 rows on each side of the body; pharynx cylindrical or bell-shaped; prostatic vesicle extra-bulbar, short, curved and anteriorly branched; penis papilla protrusible, conical, horizontal, occupying entire male atrium, with dorsal insertion posterior to the ventral, some- times laterally displaced; male atrium, not folded, generally not separated from the female one; ascending portion of the ovovitelline ducts lateral to the female atrium and joining each other above it; genital canal dorso-anteriorly flexed, arising from the postero-dorsal or posterior region of the female atrium; female atrium ample, long or funnel- shaped.
[From Carbayo F, Alvarez-Presas M, Olivares CT, Marques FPL, Froehlich EM, Riutort M (2013): 16]
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