Cassis cornuta, common name the horned helmet, is a species of extremely large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies. [1] The length of the shell varies between 50 mm and 410 mm. It is the largest of all helmet shells.

Locally common on sand at scuba depths. Males have longer spines. Adult shells typically eroded by boring sponge & outer lip stained green by algae. Spire removed to create trumpet in modern times. Attains at least 12 inches. Hawaii & the Indo-Pacific.

It is the largest of all helmet shells. It has a very solid, heavy, rotund shell with large, horn-like knobs and a wide, flat base. The shell has a dorsally pale orange colour, its base vivid orange, faintly marked with white and brown.

''Cassis cornuta'', common name the horned helmet, is a species of extremely large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies. The length of the shell varies between 50 mm and 410 mm. It is the largest of all helmet shells.

Cassis cornuta, common name the horned helmet, is a species of extremely large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies. Most …

Jan 10, 2011 · The horned helmet shell is relatively common along sandy lagoon reefs at depths from about 5 to at least 40m. It is one of the largest shelled gastropods at Kwaj, exceeded only by Triton's trumpet Charonia tritonis and possibly the giant finger shell, Lambis truncata.

The Giant Helmet Shell is found in the Indo-Pacific region growing up to 36cm in length. Found singly or in colonies, on sandy bottoms, sometimes half buried in the sand. They feed on the crown-of-thorns sea star -...

Frequently collected in the area for food and for the shell which is traditionally used as a decorative item in many parts, or as container for liquids by the natives of the South Seas (Ref. 349). Live in colonies.

A very solid, heavy, rotund shell with large, horn-like knobs and a wide, flat base. Dorsally pale orange, base vivid orange, faintly marked with white and brown. The largest of all helmet shells.

When the Caribbean hermit crab, Coenobita clypeatus, or "purple pincher" as it is known in the pet trade is kept as a house pet, Turbo shells are a favorite choice of shells for the crab. Turbo cornutus, common name the "horned turban", is an expensive food item in Korea, and Japan, where they are known as sazae. [citation needed]