Diminovula rosadoi is a species of sea snail in the family Ovulidae, the ovulids, cowry allies or false cowries. Description The length of the shell attains 8.9 mm. Distribution This marine species occurs off Mozambique. References Lorenz F. & Fehse D. (2009) The living Ovulidae. A manual of the families of allied cowries: Ovulidae, Pediculariidae and Eocypraeidae. Hackenheim: Conchbooks. Ovulidae Gastropods described in 2009