1. Species Iberus alonensis (A. Férussac, 1821)
2. Species Iberus angustatus (Rossmässler, 1854)
3. Species Iberus bolivari (Royo Gómez, 1922) † (accepted > unreplaced junior homonym)
4. Species Iberus calaensis Ahuir, 2013
5. Species Iberus campesinus (L. Pfeiffer, 1846)
6. Species Iberus candoni Ahuir, 2021
7. Species Iberus carthaginiensis (Rossmässler, 1853)
8. Species Iberus delgadoi (Roman, 1907) †
9. Species Iberus gualtieranus (Linnaeus, 1758)
10. Species Iberus guiraoanus (L. Pfeiffer, 1853)
11. Species Iberus marmoratus (A. Férussac, 1821)
12. Species Iberus ortizi García San Nicolás, 1957
13. Species Iberus serpentinae Ahuir, 2020
14. Subgenus Iberus (Alabastrina) Kobelt, 1904 accepted as Alabastrina Kobelt, 1904 accepted as Loxana Pallary, 1899 (unaccepted > superseded rank)
15. Subgenus Iberus (Dupotetia) Kobelt, 1904 accepted as Otala (Dupotetia) Kobelt, 1904 represented as Otala Schumacher, 1817 (unaccepted > superseded combination, basionym)
16. Subgenus Iberus (Elona) H. Adams & A. Adams, 1855 accepted as Elona H. Adams & A. Adams, 1855 (original rank)
17. Subgenus Iberus (Massylaea) Möllendorff, 1898 accepted as Massylaea Möllendorff, 1898
    1. Species Iberus (Massylaea) vanvincqae [sic] † accepted as Massylaea vanvincquiae (Crosse, 1861) † (unaccepted > misspelling - incorrect subsequent spelling)
18. Species Iberus circejus Kobelt, 1903 accepted as Marmorana serpentina circeja (Kobelt, 1903) (objective synonym and secondary homonym )
19. Species Iberus melii Kobelt, 1903 accepted as Marmorana serpentina circeja (Kobelt, 1903) (objective junior synonym of Helix (Iberus) melii Kobelt, 1903)
20. Species Iberus balatonicus Stoliczka, 1862 † (uncertain > taxon inquirendum)

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