Zebina robustior is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Zebinidae. Description The size of the shell varies between 2.5 mm and 4.2 mm. Distribution This species occurs in the Atlantic Ocean off Western Sahara and Senegal. References Gofas S. (1999). The West African Rissoidae (Gastropoda: Rissooidea) and their similarities to some European species. The Nautilus 113(3): 78-101 Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213 External links robustior Gastropods described in 1999