1. Species Avellana avellana (Brongniart, 1822) †
2. Species Avellana chilensis A. d'Orbigny, 1846 †
3. Species Avellana dupiniana A. d'Orbigny, 1842 †
4. Species Avellana hugardiana A. d'Orbigny, 1842 †
5. Species Avellana incrassata (J. Sowerby, 1818) †
6. Species Avellana intermedia Kollmann, 1976 †
7. Species Avellana subincrassata A. d'Orbigny, 1850 †
8. Species Avellana archiaciana A. d'Orbigny, 1842 † accepted as Eriptycha archiaciana (A. d'Orbigny, 1842) † (unaccepted > superseded combination)
9. Species Avellana cingulata Reuss, 1852 † accepted as Neritoptyx goldfussii (C. Keferstein, 1829) † (junior subjective synonym)
10. Species Avellana curta P. Marshall, 1916 † accepted as Superstes curtus (P. Marshall, 1916) † (superseded combination)
11. Species Avellana decurtata (J. De C. Sowerby, 1832) † accepted as Eriptycha decurtata (J. De C. Sowerby, 1832) † (unaccepted > superseded combination)
12. Species Avellana ovula A. d'Orbigny, 1842 † accepted as Biplica ovula (A. d'Orbigny, 1842) † (unaccepted > superseded combination)
13. Species Avellana paucistriata P. Marshall, 1916 † accepted as Superstes paucistriatus (P. Marshall, 1916) †
14. Species Avellana tertiaria P. Marshall, 1916 † accepted as Superstes marshalli H. J. Finlay & Marwick, 1937 † (Invalid: not Vincent, 1884)
15. Species Avellana gibba Binkhorst, 1861 † (uncertain > unassessed)
16. Species Avellana hagenowi J. Müller, 1851 † (uncertain > unassessed)
17. Species Avellana humboldti J. Müller, 1851 † (uncertain > unassessed)
18. Species Avellana inornata Weinzettl, 1910 † (uncertain > unassessed)
19. Species Avellana paradoxa J. Müller, 1851 † (uncertain > unassessed)
20. Species Avellana royana A. d'Orbigny, 1842 † (uncertain > nomen dubium)
21. Species Avellana ventricosa Binkhorst, 1861 † (uncertain > unassessed)

The webpage text is licensed under a Creative Commons Attribution 4.0 License