Turbellarian taxonomic database

Polycystis elsae Diagnosis

Species of Polycystis Kölliker, 1845 that is sparsely pigmented. Stalk of male bursa with an
asymmetrical muscle bulb. Stylet broad and short, with an asymmetrical distal part forming a collar without a
slit. Distal rim only partly serrated with delicate teeth. Distal rim not folded back. Stylet without a spur or
hook. Stylet ca 21 μm long; with the collar ca 15 μm broad.

[From Artois TJ, Tessens BS (2008): 23]

Return to Polycystis elsae