Semicassis
Encyclopedia
Semicassis is a genus
of medium-sized predatory sea snail
s, marine
gastropod molluscs in the subfamily Cassinae
within the family
Cassidae, the helmet snails and bonnet snails.
(WoRMS), the following species with valid names are included within the genus Semicassis:
The following species are also mentioned by A. Powell:
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-sized predatory sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
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 molluscs 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....
within the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Cassidae, the helmet snails and bonnet snails.
Species
According to the World Register of Marine SpeciesWorld Register of Marine Species
The World Register of Marine Species is a database that hopes to provide an authoritative and comprehensive list of names of marine organisms. The content of the registry is edited and maintained by scientific specialists on each group of organism. These taxonomists control the quality of the...
(WoRMS), the following species with valid names are included within the genus Semicassis:
- Semicassis bisulcata (Schubert & Wagner, 1829)
- Semicassis cicatricosaSemicassis cicatricosaSemicassis cicatricosa is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails....
(Gmelin, 1791) - Semicassis granulata (Born, 1778) - synonym: Phalium granulatum (Born, 1778)
- Semicassis inornata (Pilsbry, 1895)
- Semicassis labiataSemicassis labiataSemicassis 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.- Subspecies :...
(Perry, 1811) - Semicassis saburonSemicassis saburonSemicassis saburon is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails....
(Bruguière, 1792) - Semicassis thachiSemicassis thachiSemicassis thachi is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails....
Kreipl, Alf & Eggeling, 2006
The following species are also mentioned by A. Powell:
- Semicassis pyrumSemicassis pyrumSemicassis pyrum , common name the "pear bonnet" or "common helmet", is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the tun shells and their allies.-References:...
(Lamarck, 1822) - Semicassis royanaSemicassis royanaSemicassis royana is a species of medium-sized predatory sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies.-References:* Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1...
(Iredale, 1914) - Semicassis sophia (Brazier, 1872)
- Semicassis thomsoniSemicassis thomsoniSemicassis thomsoni is a species of large predatory sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies....
(Brazier, 1875) - Semicassis undulataSemicassis undulataSemicassis undulata is a medium-sized species of sea snail, a marine gastropod mollusc in the subfamily Cassinae.This is a Mediterranean species. It has sometimes been confused with the rather similar Western Atlantic species, Semicassis granulata....
(Gmelin, 1791)