Elachorbis 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 minute sea snail

Sea snail

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

s or micromolluscs, 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 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...

 Tornidae

Tornidae

Tornidae is a family of very small and minute sea snails with an operculum, marine gastropod mollusks in the clade Littorinimorpha. This family used to be known as the Vitrinellidae.-General characteristics:...

.

Taxonomy

The exact placement of this genus has long been contested.

Tom Iredale

Tom Iredale

Tom Iredale was an English-born ornithologist and malacologist who had a long association with Australia, where he lived for most of his life. He was an autodidact who never went to university and lacked formal training...

 established Elachorbis in 1914 within the family Liotiidae

Liotiidae

Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda .- 2005 taxonomy :...

. Cotton (1945) also classified Elachorbis within the family Liotiidae. Powell

Arthur William Baden Powell

Dr Arthur William Baden Powell CBE was a New Zealand malacologist, naturalist and palaeontologist, a major influence in the study and classification of New Zealand molluscs through much of the twentieth century. He was known to his friends and family by his third name, "Baden".Powell was born at...

 (1979) and ITIS

Itis

Itis may refer to* Integrated Taxonomic Information System, a partnership designed to provide consistent and reliable information on the taxonomy of biological species...

 (2011) classified Elachorbis within the family Cyclostrematidae (which is a synonym of Liotiidae).

Various authors have classified this genus in the Skeneidae, which is now the Skeneinae, a subfamily within the Turbinidae

Turbinidae

Turbinidae, the turban snails, are a family of small to large marine gastropods. Turbinidae have a strong, thick calcareous operculum readily distinguishing them from the somewhat similar Trochidae or top snails, which have a corneous operculum...

.
The genus Elachorbis is sometimes referred to the subfamily Vitrinellinae within the family Tornidae. However, Elachorbis is also sometimes considered to be a synonym of Circulus

Circulus (gastropod)

Circulus is a genus of very small and minute sea snails with an operculum, marine gastropod mollusks in the family Tornidae.-Species:According to the World Register of Marine Species , the following species with valid names are included within the genus Circulus * Circulus congoensis * Circulus...

; Circulus is the type genus of the subfamily Circulinae within the Tornidae.

Species

Species within the genus Elachorbis include:

• Elachorbis diaphana
  Elachorbis diaphana
  Elachorbis diaphana is a minute sea snail, a marine gastropod mollusc in the family Turbinidae. It is only known to occur in the area of the Foveaux Strait, New Zealand.-References:...
  
  Finlay
  Harold John Finlay
  Harold John Finlay was a New Zealand palaeontologist and conchologist. He was born in Comilla, India , on 22 March 1901....
  
  , 1924
• Elachorbis subtatei
  Elachorbis subtatei
  Elachorbis subtatei is a minute sea snail, a marine gastropod mollusc in the family Turbinidae. It is known only from New Zealand.-References:...
  
  (Suter
  Henry Suter
  Henry Suter was a New Zealand zoologist, naturalist, palaeontologist, and malacologist.- Biography :...
  
  , 1907)
• Elachorbis tatei
  Elachorbis tatei
  Elachorbis tatei is a species of minute sea snail with an operculum, a marine gastropod mollusk in the family Tornidae. -Distribution:...
  
  (Angas
  George French Angas
  George French Angas , was an English explorer, naturalist and painter.He was born in Newcastle upon Tyne, England, the eldest son of George Fife Angas, prominent in the establishment of the new colony of South Australia. Despite showing remarkable talent in drawing, he was placed in a London...
  
  , 1878) - type species of the genus Elachorbis - synonyms: Cyclostrema tatei Angas, 1878; Circulus tatei (Angas, 1878)