32. Lithoglyphus naticoides (C. Pfeiffer, 1828) Findings in Serbia. Lithoglyphus naticoides: Möllendorff (1873); Nikolajević (1907); Hesse (1929); Jaeckel et al. (1958); Radoman (1983); Frank et al. (1990); Jovanović (1990; 1991); Arambašić (1994); Karaman (2001, 2001 a, 2005); Jakovčev-Todorović et al. (2005); Karaman & Karaman (2007); Paunović et al. (2007a, 2008, 2012 a); Marković et al. (2012, 2013, 2015); Martinović-Vitanović et al. (2013); Novaković (2012, 2013). Common name. Gravel snail. Morphology. Small-sized snails. Globulous, greyish, thick-walled shell, up to 10 mm high, has 4.5–5 fast growing whorls, and a very prominent body whorl. Suture is deep, aperture is broad ovate with sharp peristome, umbilicus is closed. For more details see Glöer (2019: 175, fig. 217). Distribution and ecology. Pontic-Danube species, has been spread to western, eastern and northern Europe, Asia (Kazakhstan) and North America (Great Lakes area) (Van Damme 2020). Usually inhabits larger rivers with a muddy substrate. In Serbia, it is a quite common snail in the Pannonian part, inhabiting large rivers (Danube, Sava and Tisza Rivers), canals (Karaš), streams (Jelenački potok) and wetlands (Zasavica. Obedska bara). The species can also be found in the Velika Morava-Z. Morava-J. Morava river system in the central and southern part of the country. Under optimal living conditions, it can reach high abundances (over 1000 specimens/m 2; Marković pers. comm. 2018). Other remarks. Water birds (waterfowls) are known vectors of its natural spreading (Glöer 2019). On the IUCN Red List it has been assessed as LC (Van Damme 2020).

Published as part of Marković, Vanja, Gojšina, Vukašin, Novaković, Boris, Božanić, Milenka, Stojanović, Katarina, Karan-Žnidaršič, Tamara & Živić, Ivana, 2021, The freshwater molluscs of Serbia: Annotated checklist with remarks on distribution and protection status, pp. 1-64 in Zootaxa 5003 (1) on page 20, DOI: 10.11646/zootaxa.5003.1.1, http://zenodo.org/record/5120059