Etrema 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 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 mollusks in 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...

 Clathurellidae

Clathurellidae

Clathurellidae is a monophyletic family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.- 2005 taxonomy :...

.

Species

According to the World Register of Marine Species

World 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), species with valid names within the genus Etrema include:

• Etrema acricula Hedley, 1922
• Etrema alphonsianum (Hervier, 1896) : mentioned in OBIS as Etrema (Etrema) alphonsiana (Hervier, 1896)
• Etrema argillacea (Hinds, 1843)
• Etrema bicolor (Angas, 1871)
• Etrema capillata Hedley, 1922
• Etrema carinata Bozzetti, 2009
• Etrema catapasta Hedley, 1922
• Etrema constricta Laseron, 1954
• Etrema crassilabrum (Reeve, 1843)
• Etrema crassina (Angas, 1880)
• Etrema cratis Kilburn & Dekker, 2008
• Etrema curtisiana Hedley, 1922
• Etrema denseplicata (Dunker, 1871)
• Etrema elegans Hedley, 1922
• Etrema firma Hedley, 1922
• Etrema glabriplicatum (Sowerby III, 1913) : mentioned in OBIS as Etrema (Etrema) glabriplicata (Sowerby, 1913)
• Etrema huberti (Sowerby III, 1893)
• Etrema kitcheni Laseron, 1954
• Etrema labiosa Hedley, 1922
• Etrema lata (Smith E. A., 1888)
• Etrema leukospiralis Chen & Huang, 2005
• Etrema levicosta Laseron, 1954
• Etrema minutissimelirata (Hervier, 1896)
• Etrema nassoides (Reeve, 1845)
• Etrema orirufa Hedley, 1922
• Etrema paucimaculata (Angas, 1880)
• Etrema perlissa (Smith E. A., 1904)
• Etrema polydesma Hedley, 1922
• Etrema pyramis Laseron, 1954
• Etrema ravella Hedley, 1922
• Etrema rubroapicata (Smith E. A., 1882)
• Etrema scalarina (Deshayes, 1863)
• Etrema sparula Hedley, 1922
• Etrema spurca (Hinds, 1843)
• Etrema streptonotus (Pilsbry, 1904)
• Etrema subauriformis (Smith E. A., 1879)
• Etrema tenera (Hedley, 1899)
• Etrema texta (Dunker, 1860)
• Etrema tortilabia Hedley, 1922
• Etrema trigonostomum (Hervier, 1896)

The Indo-Pacific Molluscan Database also includes the following species with names in current use :

• Etrema lemniscata (G. & H. Nevill, 1875)

Subgenus Etrema Hedley, 1918

• Etrema aliciae (Melvill & Standen, 1895)
• Etrema alliterata (Hedley, 1915)
• Etrema culmea Hedley, 1922
• Etrema royi (Sowerby, 1913)

Subgenus Etremopa Oyama, 1953

• Etrema gainesii (Pilsbry, 1895)

Subgenus Etremopsis Powell, 1942

• Etrema albata (Smith, 1882)