Table 9.

Siciliaria (Gibbularia) gibbula taxa as grouped by Nordsieck (2013a: 6).

Siciliaria (Gibbularia) gibbula (Rossmässler, 1836)
Siciliaria (Gibbularia) gibbula gibbula (Rossmässler, 1836) GROUP	Siciliaria (Gibbularia) gibbula honii (O. Boettger, 1879) GROUP
Siciliaria (Gibbularia) gibbula gibbula (Rossmässler, 1836)	Siciliaria (Gibbularia) gibbula honii (O. Boettger, 1879)
Siciliaria (Gibbularia) gibbula multiplex (Westerlund, 1884)
Siciliaria (Gibbularia) gibbula niethammeri (Rensch, 1934)
Siciliaria (Gibbularia) gibbula pelagosana (O. Boettger, 1877)
Siciliaria (Gibbularia) gibbula cf. sanctangeli (A. J. Wagner, 1925)
Siciliaria (Gibbularia) gibbula selecta (Monterosato in Cecconi, 1908)