Turbellarian taxonomic database
Pichidamas piru Diagnosis
Geoplaninae with small to medium-sized body, sub-cylindrical, slender with nearly parallel margins, anterior and posterior end rounded. Eyes monolobulated distributed along the body margins. Sensory pits absent. Cephalic retractor muscle present, derived from ventral longitudinal cutaneous musculature. Five parenchymatic muscle layers, ventralmost layer of decussate fibres and located to the inside of the peripheral nervous plexus. Prostatic vesicle extrabulbar. Distal portion of male atrium with an adenodactyl. Penis eversible. Ovovitelline ducts ventral, opening to the common ovovitelline duct from posteroventral.
[From Bulnes VN, Grau JH, Carbayo F (2018): 2554]
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