1. Species Plagiodacna angulosa (Deshayes, 1857) †
2. Species Plagiodacna arcaeformis (Wenz, 1942) †
3. Species Plagiodacna auingeri (T. Fuchs, 1870) †
4. Species Plagiodacna corviensis Gillet, 1969 †
5. Species Plagiodacna cypricardioides (Capellini, 1880) †
6. Species Plagiodacna davidaschvilii Chelidze, 1947 †
7. Species Plagiodacna fragilis Papaianopol, 1977 †
8. Species Plagiodacna gamkrelidzei Gabuniya, 1953 †
9. Species Plagiodacna hoermanni (Brusina, 1902) †
10. Species Plagiodacna modiolaris (Rousseau, 1842) †
11. Species Plagiodacna multicostata Papaianopol, 1972 †
12. Species Plagiodacna obliquata Gillet, 1969 †
13. Species Plagiodacna ruvarzi Stevanović, 1951 †
14. Species Plagiodacna sellii Gillet, 1969 †
15. Species Plagiodacna tohanensis Papaianopol, 1977 †
16. Species Plagiodacna carinata (Deshayes, 1838) † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > junior homonym)
17. Species Plagiodacna complanata Papaianopol, 1977 † accepted as Plagiodacna tohanensis Papaianopol, 1977 † (subjective synonym)
18. Species Plagiodacna dacica Papaianopol, 1977 † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > junior subjective synonym)
19. Species Plagiodacna davidaschvili [sic] † accepted as Plagiodacna davidaschvilii Chelidze, 1947 † (unaccepted > misspelling)
20. Species Plagiodacna djanelidzei Eberzin, 1942 † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > junior subjective synonym)
21. Species Plagiodacna eximia Papaianopol, 1977 † accepted as Plagiodacna fragilis Papaianopol, 1977 † (subjective synonym)
22. Species Plagiodacna gamkrellidzei [sic] † accepted as Plagiodacna gamkrelidzei Gabuniya, 1953 † (unaccepted > misspelling)
23. Species Plagiodacna hoermani [sic] † accepted as Plagiodacna hoermanni (Brusina, 1902) † (unaccepted > misspelling)
24. Species Plagiodacna minuta Andreescu, 1985 † (unaccepted > nomen nudum)
25. Species Plagiodacna pokveschica Akhvlediani, 1966 † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > junior subjective synonym)
26. Species Plagiodacna praemodiolaris Chelidze, 1974 † accepted as Plagiodacna angulosa (Deshayes, 1857) † (unaccepted > junior subjective synonym)
27. Species Plagiodacna ruvarsi [sic] † accepted as Plagiodacna ruvarzi Stevanović, 1951 † (unaccepted > misspelling)

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