Guía variabilidad intraespecífica de las conchas del género Iberus Montfort, 1810 del sur de la Península Ibérica

The genus Iberus is one of the most beautiful genera in the Helicidae. Although the shells are large, determination of the highly variable species is quite difficult. This iconography figures the 16 nominal species of mainland Spain with the known subspecies and hybrids on 26 plates. A determination key highlight the characters separating the species.