Gibbula insignis (Millet, 1854) †
= Gibbula (Colliculus) sosensis Cossmann & Peyrot, 1917
Middle Miocene (Langhian/Serravallian): NE Atlantic (France: Aquitaine Basin).
Late Miocene (Tortonian): NE Atlantic (France: Loire Basin).
(Landau et al. 2017)