Cochlostoma Jan, 1830
Cochlostoma (Turritus) subsp. tergestinum tergestinum (Westerlund, 1878)
Cochlostoma (Turritus) tergestinum grahovanum (A.J. Wagner, 1897)
Cochlostoma (Turritus) tergestinum tergestinum (Westerlund, 1878)
