Galeodea triganceae is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet snails.

Semicassis is a genus of medium-sized predatory sea snails, marine gastropod molluscs in the subfamily Cassinae within the family Cassidae, the helmet snails and bonnet snails.

Eucorys is a genus of large sea snails, marine gastropod mollusks in the family Cassidae, the helmet snails and bonnet snails.

Casmaria ponderosa perryi is a subspecies of very large predatory sea snail, a marine gastropod mollusc in the subfamily Cassinae, the helmet snails and bonnet snails.

Semicassis granulate undulata is a Mediterranean subspecies of Semicassis granulata, a medium-sized sea snail, a marine gastropod mollusc in the subfamily Cassinae the helmet snails and bonnet snails.

Phalium fimbriata is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.

Microsconsia is a genus of medium-sized sea snails, marinegastropod mollusks in the family Cassidae, the helmet snails and bonnet snails.