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 38. Borysthenia naticina ( Menke, 1845 ) Findings in Serbia . Valvata naticina : Frank et al. (1990) ; Arambašić (1994) ; Karaman (2001); Paunović et al. (2005 , 2007a , 2008). Borysthenia naticina : Paunović et al. (2012 a ) ; Martinović-Vitanović et al. (2013) ; Novaković (2013). Morphology . Minute snails up to 5 mm long/wide. Shell is globular, solid, and consists of 3.5–4 whorls. Aperture is pointed at the top, umbilicus is open. For more details see Welter-Schultes (2012: 46 , figure on the top of the page). Distribution and ecology . Central-European Pontic-Baltic species ( Glöer 2019 ). Prefers fine substrate (sand, mud and sand) in larger rivers and lakes ( Welter-Schultes 2012 ; Zettler 2012 ). In Serbia , it was recorded in the Danube, Sava and Zapadna Morava Rivers. Other remarks . In some parts of its range the species is considered critically endangered ( Germany and Poland ) ( Welter-Schultes 2012 ). On the IUCN Red List of threatened species it has been assessed as LC (Vavrova & Seddon 2011). Infraclasis Euthyneura Spengel, 1881 Cohort Tectipleura Schrödl et al., 2011 Superorer Hygrophila Férussac, 1822