Pisidium personatum Malm, 1855

Kolev, Iltcho, Georgiev, Dilian & Dedov, Ivaylo, 2015, Malacofauna of the catchment area of Rusenski Lom River (North Bulgaria), ZooNotes 2015 (76), pp. 1-12 : 3

Pisidium personatum Malm, 1855

09.03.2012, vill. Katselovo, “Startchi Krak” watersource; 21.04.2012, vill. Garchinovo, watersource; 21.04.2012, vill. Tserovets, watersource; 13.09.2012, water source on the hill near the fishponds of vill. Valenik; CS – LC;

Sphaerium rivicola (Lamarck, 1818)

16.06.2011, Cherni Lom River at vill. Cherven ; 05.10.2011, Rusenski Lom River at Russe ; 23.07.2013, Cherni Lom River near Murdova Leska gorge; CS – LC ;

Unio crassus Philipsson, 1788

01.11.2010, Cherni Lom river at vill. Katselovo; 26.03.2011, Rusenski Lom River at vill. Basarbovo; 23.07.2013, Cherni Lom River near Murdova Leska gorge; CS – VU;

Unio tumidus Retzius, 1788

26.03.2011, Rusenski Lom River at vill. Basarbovo; CS – VU ;

Class Gastropoda

Freshwater snails

Acroloxus lacustris (Linnaeus, 1758)

12.11.2013, fishponds near vill. Stalpishte; CS – LC ;

Anisus leucostoma (Millet, 1813)

13.07.2011, Russe at Liulyaka base ; 06.11.2012, Cherni Lom River at vill. Krepcha ; CS – LC ;

Anisus septemgyratus (Rossmässler, 1835)

13.07.2011, Russe at Liulyaka base ; 08.10.2013, spring on the bank of Cherni Lom River at vill. Pepelina ;

Anisus spirorbis (Linnaeus, 1758)

02.11.2012, deposits of Cherni Lom River, “Varbovska Vodenitsa” area; 09.07.2014, Cherni Lom River at vill. Katselovo;

Bithynia tentaculata (Linnaeus, 1758)

13.07.2011, Russe at Liulyaka base; CS – LC ;

Bythiospeum iltchokolevi Georgiev & Glöer, 2015

21.04.2012, vill. Tserovets, watersource; EM – BGE;

Remark: This is the second record of this species.

Bythiospeum sp.

08.08.2012, water source at Beli Lom River, near vill. Pisanets; 13.09.2012, vill. Vlenik, Kiusara area, at water source, near the road to vill. Katselovo; 08.10.2013, spring on the bank of Cherni Lom River at vill. Pepelina;

Borysthenia naticina (Menke, 1845)

13.07.2011, Russe at Liulyaka base ; 02.11.2012, Cherni Lom River at vill. Karan Varbovka ; CS – LC ;

Esperiana daudebartii acicularis (A. Férussac, 1823)

01.11.2010, Cherni Lom river at vill. Katselovo ; 26.03.2011, Rusenski Lom River at vill. Basarbovo ; 13.07.2011, Russe at Liulyaka base ; 13.09.2012, vill. Vlenik, Kiusara area , at water source, near the road to vill. Katselovo ; 23.07.2013, Cherni Lom River near Murdova Leska gorge ; 13.10.2013, vill. Katselovo , “Lakanska Yama”, lower fishpond of Ivan Kovacha; CS – LC ;

Esperiana esperi (A. Férussac, 1823)

01.11.2010, Cherni Lom river at vill. Katselovo; 26.03.2011, Rusenski Lom River at vill. Basarbovo; 11.05.2013, Rusenski Lom River at vill Basarbovo; 23.07.2013, Cherni Lom River near Murdova Leska gorge; CS – LC;