Turbellarian taxonomic database
Phonorhynchoidinae Phonorhynchopsis Diagnosis
Phonorhynchoidinae with two stylets in the male atrial organs: a prostate stylet type IV and an accessory stylet type IV. Prostate stylet type IV rather broad and tubular, shorter than the accessory stylet type IV. Bursa bipartite, consisting of a muscular and a sperm-resorbing part.
[From Willems WR, Reygel P, Steenkiste NV, Tessens B, Artois TJ (2017): 458]
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