Genus Typhlopolycystis Karling, 1956

Type species. Typhlopolycystis coeca Karling, 1956 by original monotypy.

Diagnosis. Typhlopolycystidinae with a gutter-like prostate stylet and a tubiform accessory stylet, proximally attached to each other directly or by a ring, or not at all; accessory secretion reservoir (mostly) present, evacuated by the accessory stylet. With a muscular “seminal receptacle” at the entrance of the oviduct.