The freshwater molluscs of Serbia: Annotated checklist with remarks on distribution and protection status Author Marković, Vanja Author Gojšina, Vukašin Author Novaković, Boris Author Božanić, Milenka Author Stojanović, Katarina Author Karan-Žnidaršič, Tamara Author Živić, Ivana text Zootaxa 2021 2021-07-16 5003 1 1 64 journal article 218052 10.11646/zootaxa.5003.1.1 aceedc3f-3f24-490c-8046-7528c30aac10 1175-5326 5120059 8C98CC0B-18AF-418A-A794-AA3CA9CB7409 15. Bythinella nonveilleri Glöer, 2008 Findings in Serbia . Bythinella nonveilleri : Glöer (2008) . Morphology . Minute snails (shell up to 3 mm high). Shell is cylindrical with deep suture. Umbilicus is closed. Penis has long flagellum, and penial appendix is as long as the penis itself. See Glöer (2008: 350 , figs 2–6). Distribution and ecology . Serbian endemic species known from only one locality. Type locality Vrmdža Spring (Rtanj Mtn.; central Serbia ). Other remarks . Not assessed on the IUCN Red List. The species is protected on national level (Annex 1- strictly protected species; Official Gazette of RS 5/2010, 47/2011, 32/2016, 98/2016).