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).