Gastropoda - Tonnoidea - Cassidae

Alternative combination: Cassis pyrum

Belongs to Semicassis according to A. G. Beu 2010

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 ovulum, Semicassis pyshtensis, Semicassis reclusa, Semicassis sculpta, Semicassis senni, Semicassis (Tylocassis) miolaevigata, Semicassis (Tylocassis) maleaformis, Phalium (Tylocassis) sulcosum

Ecology: epifaunal carnivore