1. Subgenus Hexaglauconia (Hexaglauconia) Mennessier, 1984 † accepted as Cassiope Coquand, 1865 † (unaccepted > junior subjective synonym)
   1. Species Hexaglauconia (Hexaglauconia) alibeilensis Mennessier, 1984 † accepted as Cassiope alibeilensis (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   2. Species Hexaglauconia (Hexaglauconia) austriaca Mennessier, 1984 † accepted as Cassiope austriaca (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   3. Species Hexaglauconia (Hexaglauconia) beauvaisi Mennessier, 1984 † accepted as Cassiope beauvaisi (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   4. Species Hexaglauconia (Hexaglauconia) bicostata (Schenk, 1969) † accepted as Cassiope kefersteinii (Münster, 1844) † (unaccepted > junior subjective synonym)
   5. Species Hexaglauconia (Hexaglauconia) brodensis Mennessier, 1984 † accepted as Cassiope brodensis (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   6. Species Hexaglauconia (Hexaglauconia) coquandi [sic] † accepted as Cassiope coquandiana (A. d'Orbigny, 1842) † (unaccepted > misspelling - incorrect subsequent spelling)
   7. Species Hexaglauconia (Hexaglauconia) dostlensis Mennessier, 1984 † accepted as Cassiope dostlensis (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   8. Species Hexaglauconia (Hexaglauconia) fallaciosa Mennessier, 1984 † accepted as Cassiope kefersteinii (Münster, 1844) † (unaccepted > junior homonym)
   9. Species Hexaglauconia (Hexaglauconia) faraudi Mennessier, 1984 † accepted as Cassiope faraudi (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   10. Species Hexaglauconia (Hexaglauconia) filifera Mennessier, 1984 † accepted as Cassiope filifera (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   11. Species Hexaglauconia (Hexaglauconia) fournieri (Repelin, 1907) † accepted as Cassiope fournieri (Repelin, 1907) † (unaccepted > superseded combination, genus is a junior synonym)
   12. Species Hexaglauconia (Hexaglauconia) galloprovincialis Mennessier, 1984 † accepted as Cassiope galloprovincialis (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   13. Species Hexaglauconia (Hexaglauconia) kollmanni Mennessier, 1984 † accepted as Cassiope kollmanni (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   14. Species Hexaglauconia (Hexaglauconia) kuehni (Benkö-Czabalay, 1964) † accepted as Cassiope kuehni (Benkö-Czabalay, 1964) † (unaccepted > superseded combination, genus is a junior synonym)
   15. Species Hexaglauconia (Hexaglauconia) lanzingensis Mennessier, 1984 † accepted as Cassiope suffarcinata (Münster, 1844) † (unaccepted > junior subjective synonym)
   16. Species Hexaglauconia (Hexaglauconia) mariae (Mazaran, 1911) † accepted as Cassiope mariae (Mazeran, 1911) † (unaccepted > superseded combination, subgenus is a junior synonym)
   17. Species Hexaglauconia (Hexaglauconia) petkovitchi Mennessier, 1984 † accepted as Cassiope petkovitchi (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   18. Species Hexaglauconia (Hexaglauconia) provincialis (A. d'Orbigny, 1842) † accepted as Cassiope coquandiana (A. d'Orbigny, 1842) † (unaccepted > junior subjective synonym)
   19. Species Hexaglauconia (Hexaglauconia) sanctaebalmae Mennessier, 1984 † accepted as Cassiope sanctaebalmae (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   20. Species Hexaglauconia (Hexaglauconia) schenki Mennessier, 1984 † accepted as Cassiope kefersteinii (Münster, 1844) † (unaccepted > junior subjective synonym)
   21. Species Hexaglauconia (Hexaglauconia) solida Mennessier, 1984 † accepted as Cassiope solida (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   22. Species Hexaglauconia (Hexaglauconia) suffarcinata (Münster, 1844) † accepted as Cassiope suffarcinata (Münster, 1844) † (unaccepted > superseded combination)
   23. Species Hexaglauconia (Hexaglauconia) tchiritchi Mennessier, 1984 † accepted as Cassiope tchiritchi (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   24. Species Hexaglauconia (Hexaglauconia) tepetchikensis Mennessier, 1984 † accepted as Cassiope tepetchikensis (Mennessier, 1984) † (unaccepted > superseded combination, genus is a junior synonym)
   25. Species Hexaglauconia (Hexaglauconia) velesana (Ćirić, 1952) † accepted as Cassiope quadricostata velesana (Ćirić, 1952) †
2. Subgenus Hexaglauconia (Pentaglauconia) Mennessier, 1984 † accepted as Cassiope Coquand, 1865 † (unaccepted > junior subjective synonym)
   1. Species Hexaglauconia (Pentaglauconia) berthoui Mennessier, 1984 † accepted as Cassiope berthoui (Mennessier, 1984) † (unaccepted > superseded combination, subgenus is a junior synonym)
   2. Species Hexaglauconia (Pentaglauconia) depereti (Repelin, 1902) † accepted as Cassiope depereti (Repelin, 1902) † (unaccepted > superseded combination, subgenus is a junior synonym)
   3. Species Hexaglauconia (Pentaglauconia) lusitanica Mennessier, 1984 † accepted as Cassiope lusitanica (Mennessier, 1984) † (unaccepted > superseded combination, subgenus is a junior synonym)
   4. Species Hexaglauconia (Pentaglauconia) madagascariensis Mennessier, 1984 † accepted as Cassiope madagascariensis (Mennessier, 1984) † (unaccepted > superseded combination, subgenus is a junior synonym)
   5. Species Hexaglauconia (Pentaglauconia) matheroni (Repelin, 1902) † accepted as Cassiope matheroni (Repelin, 1902) † (unaccepted > superseded combination)
   6. Species Hexaglauconia (Pentaglauconia) tourrisensis (Repelin, 1902) † accepted as Cassiope tourrisensis (Repelin, 1902) † (unaccepted > superseded combination, subgenus is a junior synonym)

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