Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Glöer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions Author Grego, Jozef 44C83AAB-CF4E-46E8-8146-DFBADA150AB6 Horná Mičiná, SK- 97401 Banská Bystrica, Slovakia. jozef.grego@gmail.com text European Journal of Taxonomy 2020 2020-07-27 691 1 56 journal article 21415 10.5852/ejt.2020.691 918d86bb-f11d-414e-9c1e-21ec17737792 3961840 CC8487E0-169D-4B32-A2AB-F9B34DFB3F3B Travunijana nitida ( Schütt, 1963 ) comb. nov. Fig. 13F Plagigeyeria nitida Schütt, 1963: 210–211 , fig. 8. Plagigeyeria nitida – Schütt 1972: 116, 119, pl. 6 fig. 8. — Bole & Velkovrh 1986: 202 — Bodon, Manganelli & Giusti 1996: 33 , fig. 13. — Bank 2013 : Fauna Europaea v. 2.6 — Bank & Neubert 2017: 25 . Diagnosis Elongate-oval hard-shelled species ( 3.6 mm ) with smooth shiny shell surface and weak umbilical keel present close to the umbilicus. Elongate oval aperture obscuring the umbilicus and only slightly protruding at the basal view. Lateral labral profile is straight and columellar labrum possesses a weak fold. Distribution The empty shells are known only from springs at the southern end of Hutovo (Svitavsko) Blato (Vrelo “Sopot Mlin” and others at Sjekoše and Bajovci 2 m a.s.l.) (Schütt 1972). These springs receive their karst water from the main swallow holes of the River Trebišnjica at the end of Popovo Polje ( 227 m a.s.l.). Remarks The species is typical with its carinated umbilicus and elongated smooth shell surface. It is well separable from the sympatric T. edlaueri ( Schütt, 1961 ) , which has a larger, more conical shell with a more inflated aperture, but both still keeping the straight labral profile and weak sinulus at the columellar margin.