Jujubinus vexationis Jujubinus vexationis is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 5 mm and 8 mm. Distribution This species occurs in the Atlantic Ocean off Madeira. References Curini-Galletti M. (1990). Revision of the genus Jujubinus Monterosato, 1884: The J. gravinae (Dautzenberg, 1881) species group. Lavori, Società Italiana di Malacologia 23: 37-50 pl. 1-4 page(s): 43-45; pl. 2 fig. 5-8 External links vexationis Category:Gastropods described in 1990 Category:Molluscs of Madeira