Gibbuliculus saccoi nov. nom. †
Replacement name pro Gibbula protumida Sacco, 1896 (non Locard, 1886)
In honor of the Italian paleontologist Frederico Sacco (1864–1948).
Oligocene (Rupelian): Western Tethys (Italy).
? Oligocene (Egerian): Central Paratethys (Hungary).
(Sacco 1896; Báldi 1973)