1. Subgenus Hyrcania (Azeridacna) Sultanov, 1963 † accepted as Turcmena G. I. Popov, 1956 † (unaccepted > junior subjective synonym)
   1. Species Hyrcania (Azeridacna) praecatillus Sultanov, 1963 † accepted as Turcmena praecatilla (Sultanov, 1963) † (unaccepted > superseded combination)
2. Subgenus Hyrcania (Chazaridacna) Sultanov, 1963 † accepted as Turcmena G. I. Popov, 1956 † (unaccepted > junior subjective synonym)
   1. Species Hyrcania (Chazaridacna) andrussowi Sultanov, 1963 † accepted as Turcmena andrussowi (Sultanov, 1963) † (unaccepted > superseded combination)
   2. Species Hyrcania (Chazaridacna) davitaschvilii Sultanov, 1963 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
3. Subgenus Hyrcania (Didacnoides) Astaf'yeva, 1960 † accepted as Didacnoides Astaf'yeva, 1960 † (unaccepted > superseded rank)
4. Subgenus Hyrcania (Hyrcanomya) Astaf'yeva, 1960 † accepted as Didacnoides Astaf'yeva, 1960 † (subjective synonym)
5. Species Hyrcania aliatica (Sultanov, 1963) † accepted as Turcmena aliatica (Sultanov, 1963) † (unaccepted > superseded combination)
6. Species Hyrcania apscheronica A. A. Ali-Zade & Mamed'yarova, 1967 † accepted as Turcmena apscheronica (A. A. Ali-Zade & Mamed'yarova, 1967) † (unaccepted > superseded combination)
7. Species Hyrcania bogatschevi A. A. Ali-Zade & Mamed'yarova, 1967 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
8. Species Hyrcania bosdagensis Sultanov, 1963 † accepted as Turcmena bosdagensis (Sultanov, 1963) † (unaccepted > superseded combination)
9. Species Hyrcania caspia A. A. Ali-Zade & Mamed'yarova, 1967 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
10. Species Hyrcania chazarica A. A. Ali-Zade & Mamed'yarova, 1967 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
11. Species Hyrcania davitaschwilii [sic] † accepted as Turcmena intermedia (Eichwald, 1841) † (junior subjective synonym; incorrect original spelling)
12. Species Hyrcania gibba A. A. Ali-Zade & Mamed'yarova, 1967 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
13. Species Hyrcania hyrcana (Andrusov, 1923) † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
14. Species Hyrcania intermedia (Eichwald, 1841) † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > superseded combination, genus is a junior synonym)
15. Species Hyrcania kolesnikovi Sultanov, 1963 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
16. Species Hyrcania kolessnikovi G. I. Popov, 1952 † accepted as Turcmena kolessnikovi (G. I. Popov, 1952) † (unaccepted > superseded combination, genus is a junior synonym)
17. Species Hyrcania loerentheyi (Andrusov, 1923) † accepted as Turcmena loerentheyi (Andrusov, 1923) † (unaccepted > superseded combination, genus is a junior synonym)
18. Species Hyrcania major (Andrusov, 1923) † accepted as Turcmena major (Andrusov, 1923) † (unaccepted > superseded combination, genus is a junior synonym)
19. Species Hyrcania multintermedia (Andrusov, 1923) † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
20. Species Hyrcania paucintermedia (Andrusov, 1923) † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
21. Species Hyrcania pluricostata (Sinzov, 1912) † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
22. Species Hyrcania pseudoapscheronia G. I. Popov, 1952 † accepted as Turcmena kolessnikovi (G. I. Popov, 1952) † (subjective synonym)
23. Species Hyrcania pycnosora V. P. Kolesnikov, 1950 † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
24. Species Hyrcania schirvanica A. A. Ali-Zade & Aleskerov, 1969 † accepted as Turcmena schirvanica (A. A. Ali-Zade & Aleskerov, 1969) † (unaccepted > superseded combination)
25. Species Hyrcania subintermedia (Andrusov, 1923) † accepted as Turcmena intermedia (Eichwald, 1841) † (unaccepted > junior subjective synonym)
26. Species Hyrcania turkmena (Andrusov, 1923) † accepted as Turcmena turkmena (Andrusov, 1923) † (unaccepted > superseded combination, genus is a junior synonym)
27. Species Hyrcania variocostata G. I. Popov, 1952 † (uncertain > taxon inquirendum)

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