Ceratostoma
Encyclopedia
Ceratostoma, common name
Common name
A common name of a taxon or organism is a name in general use within a community; it is often contrasted with the scientific name for the same organism...

  the "hornmouth" snails, is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of medium to large predatory sea snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

s, 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 mollusks in the family Muricidae
Muricidae
Muricidae, common name murex snails or rock snails, is a large and varied taxonomic family of small to large predatory sea snails. With approximately 1,600 living species the Muricidae represent almost 10% of the Neogastropoda. Additionally, 1,200 fossil species have been recognised...

, the rock snails.

This genus is not to be confused with the nudibranch genus Ceratosoma
Ceratosoma
Ceratosoma is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod mollusks in the family Chromodorididae.This nudibranch genus is not to be confused with the muricid gastropod genus Ceratostoma.- Species :...

.

Species

Species within the genus Ceratostoma include:
  • Ceratostoma foliatum
    Ceratostoma foliatum
    Ceratostoma foliatum is a species of medium to large sea snail, a marine gastropod mollusk in the family Muricidae, the rock snails.This species lives in the Eastern Pacific....

  • Ceratostoma fournieri
    Ceratostoma fournieri
    Ceratostoma fournieri is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails....

    Crosse, 1861
  • Ceratostoma nuttali (Conrad, T.A., 1837)
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