Semicassis labiata
Encyclopedia
Semicassis labiata is a species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of large predatory sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

, a marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod mollusc. This species is in the subfamily Cassinae
Cassinae
Cassidae is 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....

, the "helmet shells" and "bonnet shells", which feed on sea urchins.

Subspecies

  • Semicassis labiata iheringi (Carcelles, 1953)
  • Semicassis labiata labiata (G. Perry, 1811)

Description

The maximum recorded shell
Gastropod shell
The gastropod shell is a shell which is part of the body of a gastropod or snail, one kind of mollusc. The gastropod shell is an external skeleton or exoskeleton, which serves not only for muscle attachment, but also for protection from predators and from mechanical damage...

length of Semicassis labiata iheringi is 76 mm.

Habitat

Minimum recorded depth of Semicassis labiata iheringi is 25 m. Maximum recorded depth is 84 m.
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