Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Divasibranchia Minichev & Starobogatov, 1975
Order Stylommatophora Schmidt, 1855
see Infraorder Stylommatophora Schmidt, 1855
(Helicid Sigmurethra)
Superfamily Helicoidea Rafinesque, 1815
Family Helicidae Rafinesque, 1815
Subfamily Helicinae Rafinesque, 1815
Genus Iberus Montfort, 1810
Subgenus Nesiberus Haas, 1934