Turbellarian taxonomic database
Trigonostominae Mahurubia Diagnosis
Trigonostominae with the pharynx in the middle of the body. Testes and seminal vesicles paired, far behind the pharynx. Prostate stylet consisting of two parts, one of which is gutter-shaped and receives the prostate secretion, the other one a folded plate-like structure, which carries several spines distally. Additional vesicle (with sperm) at the proximal part of the female (efferent) duct. Afferent system consisting of tortuous duct and large, thick-walled bursa. Mouthpiece of bursa club-shaped.
[From Willems WR, Artois TJ, Vermin W, Backeljau T, Schockaert ER (2005): 1566]
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