Turbellarian taxonomic database
Otoplaninae Alaskaplana Diagnosis
Otoplanidae with entirely depressed epidermal nuclei. Seven to eight pairs of distinctly separated testis follicles in the forebody. Vitellaries in lateral rows of paired follicles reaching from the brain backwards to the copulatory organ. Germaries directly in front of the pharynx, forming a coherent mass of separated follicles. Male sclerotic apparatus with a stylet and 12 to 15 bristles. Stylet groove-shaped, partly closed to a tube. With ciliated ductus genito-intestinalis between the common atrium and the intestine. With an accessory female genital opening (vagina) between the pharynx and the common atrium. The accessory female opening is surrounded by numerous large glands, and it is connected with the germovitello-ducts.
[From Ax P, Armonies W (1990): 36]
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