The Scotch bonnet is a medium-sized to large species of sea snail, a marine gastropod mollusk in the subfamily Cassinae, the helmet shells and bonnet shells. The common name "Scotch bonnet" alludes to the general outline and color pattern of the shell, which vaguely resemble a tam o' shanter, a traditional Scottish bonnet or cap. The shell is egg-shaped and fairly large, 2 to 4 inches in maximum dimension, with a regular pattern of yellow, orange or brown squarish spots. The surface sculpture of the shell is highly variable: the surface can be smooth and polished, have grooves, be granulated, or even be nodulose on the shoulder of the whorls.
The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. These are marine gastropod mollusks in the superfamily Tonnoidea and the clade Littorinimorpha.
Semicassis labiata is a species of large predatory sea snail, a marine gastropod mollusc. This species is in the subfamily Cassinae, the "helmet shells" and "bonnet shells", which feed on sea urchins.
Solariellidae is a family of small sea snails, marine gastropod mollusks in the superfamily Trochoidea.
Phalium areola, common name the checkerboard bonnet, is a species of sea snail, a marine gastropod mollusc in the subfamily Cassinae, within the family Cassidae the helmet and bonnet shells. It is also known as the checkerboard bonnet shell.
Pellasimnia angasi, common name Angas's volva, is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.
Prionovolva brevis is a species of sea snail, a marine gastropod mollusk in the family Ovulidae, the ovulids, cowry allies or false cowries.
Ficus ventricosus, common name the swollen fig shell, is a species of sea snail, a marine gastropod mollusk in the family Ficidae, the fig shells.
Bulbus is a genus of predatory sea snails, marine gastropod mollusks in the family Naticidae, the moon snails.
Thetystrombus latus, commonly known as the Bubonian conch, is a species of sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs.
Conomurex persicus, common name : the Persian conch, is a species of sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs.
Semicassis bisulcata, common name: the Japanese bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.
Phalium faurotis is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.
Phalium fimbria is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.
Phalium glaucum, common name the grey bonnet or glaucus bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.
Phalium, common name the bonnet shells, is a genus of large sea snails, marine gastropod molluscs in the subfamily Phaliinae of the family Cassidae, the helmet shells, bonnet shells and their allies.
Labiostrombus is a monospecific genus of sea snails, marine gastropod mollusks in the family Strombidae, the true conchs.
Phalium flammiferum, the striped bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.
Semicassis saburon is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet snails and bonnet snails.
Semicassis bondarevi is a species of marine gastropod in the family Cassidae.
