Gastropoda - Tonnoidea - Cassidae

Alternative combinations: Dolium ovulum, Sconsia ovulum

Belongs to Semicassis according to D. Frassinetti and V. Covacevich 1999

Sister taxa: Cassidea (Semicassis) calantica, Cassidea (Semicassis) mekranica, Cassidea (Semicassis) ormarensis, Semicassis (Semicassis), Semicassis aldrichi, Semicassis angasi, Semicassis bisulcata, Semicassis centiquadrata, Semicassis deneseplicata, Semicassis faurotis, Semicassis granulata, Semicassis harpaeformis, Semicassis labiata, Semicassis monilifera, Semicassis oligocalantica, Semicassis pyrum, Semicassis pyshtensis, Semicassis reclusa, Semicassis sculpta, Semicassis senni, Semicassis (Tylocassis) miolaevigata, Semicassis (Tylocassis) maleaformis, Phalium (Tylocassis) sulcosum

Ecology: epifaunal carnivore