On the genus Typhlopolycystis Karling, 1956 (Platyhelminthes, Kalyptorhynchia, Polycystididae), with data on the five known species and the description of eleven new species Author Schockaert, Ernest R. Author Moons, Patricia Author Janssen, Toon Author Tessens, Bart S. Author Reygel, Patrick C. Author Revis, Nathalie Author Jouk, Philippe E. H. Author Willems, Wim R. Author Artois, Tom J. text Zootaxa 2019 2019-05-08 4603 1 81 104 journal article 26901 10.11646/zootaxa.4603.1.4 1fa78a19-6a9c-498b-89b5-a0d6ceb58080 1175-5326 2673305 9539EFE1-7676-4015-946B-9F1A2782AB38 Typhlopolycystis microphthalma n. sp Schockaert, Revis and Jouk. ( Fig. 3 ) Diagnosis . Species of Typhlopolycystis , 2 mm long with a proboscis of 1/6–1/5 of body length and very small eyes, with only 13–15 pigment granules each, and closer to each other than to the body rim. Prostate vesicle and accessory secretion vesicle well developed and with a large seminal vesicle. The prostate stylet is a short and straight gutter, thickened at its closed side and 30 µm long; the accessory stylet is a slightly curved, sharp ending tube of 78 µm , both sitting on a ring with a diameter of about 40 µm over its largest cross section. Occurrence . France : Cerbère , Cap Peyrefitte , sandy bottom, coarse sand with shell debris and silt, 21 m deep 42°27’24.8”N , 3°10’19.7E (by Revis & Jouk , 16 July 2012 ) ( Type Locality) . Material studied. One animal studied alive, photographed and mounted ( holotype SMNH nr 8915). Etymology . The species epithet refers to the very small eyes.