Turbellarian taxonomic database

Dalyelliidae Polliculus Diagnosis

Dalyelliidae with pharynx in the first body half. Unpaired testis and ovary. Paired vitellaria. Vas deferens widened to an extracapsular seminal vesicle. Eosinophilic and basophilic prostate glands with extracapsular, nuclei-containing parts. Copulatory bulb with intracapsular seminal vesicle, prostate vesicle and male genital atrium with stylet. Screw-shaped accessory stylet wound around a long tubular stylet. Accessory stylet receives the secretion of four extracapsular accessory glands. Short female duct surrounded by circular muscles. Oviform seminal receptacle. Copulatory bursa absent. With distinct uterus.

[From Van Steenkiste N, Volonterio O, Schockaert E, Artois T (2008): 22]

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