Teinostoma 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

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 or micromollusk

Micromollusk

A micromollusk is a descriptive term for a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also reach adult size at very small...

s in the subfamily Skeneinae within the family 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...

.

This genus used to be placed within the family Skeneidae.

Shell description

The shells of species in this genus are usually white and glossy, are transparent when fresh, and are only a few millimeters in maximum size.

Species

This genus includes the following species:

• Teinostoma abditum Rolán, Rubio & Ryall, 2000
• Teinostoma abnorme E. A. Smith, 1890
• Teinostoma altum Pilsbry, 1953
• Teinostoma americanum Pilsbry & Olsson, 1945
• Teinostoma amplectans Carpenter, 1857
• Teinostoma atomaria (A. Adams, 1861)
• Teinostoma avunculus Pilsbry, 1953
• Teinostoma azoricum (Dautzenberg & Fischer H., 1896)
• Teinostoma bibbianum Dall, 1919
• Teinostoma biscaynense Pilsbry & McGinty, 1945
• Teinostoma carbonnieri Jousseaume, 1881
• Teinostoma carinicallus Pilsbry & McGinty, 1946
• Teinostoma cecinella Dall, 1919
• Teinostoma ciskae Faber, 1995
• Teinostoma clavium Pilsbry & McGinty, 1945
• Teinostoma cocolitoris Pilsbry & McGinty, 1945
• Teinostoma concavaxis Pilsbry & Olsson, 1945
• Teinostoma ecuadorianum Pilsbry & Olsson, 1941
• Teinostoma esmeralda Pilsbry & Olsson, 1945
• Teinostoma fernandesi
  Teinostoma fernandesi
  Teinostoma fernandesi is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the subfamily Skeneinae within the family Turbinidae.-References:* Gasgoigne, A. 1996. . Downloaded on 7 August 2007....
  
  Rubio & Rolán, 1991
• Teinostoma floridense (Dall, 1927)
• Teinostoma funiculatum
  Teinostoma funiculatum
  Teinostoma funiculatum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the subfamily Skeneinae within the family Turbinidae.-References:* Gasgoigne, A. 1996. . Downloaded on 7 August 2007....
  
  Rubio & Rolán, 1991
• Teinostoma gallegosi Jordan, 1936
• Teinostoma goniogyrus Pilsbry & McGinty, 1945
• Teinostoma hemphilli Strong & Hertlein, 1939
• Teinostoma herbertianum Hertlein & Strong, 1951
• Teinostoma imperfectum Pilsbry & Olsson, 1945
• Teinostoma incertum Pilsbry & McGinty, 1945
• Teinostoma invallatum (Carpenter, 1864)
• Teinostoma lampetes Pilsbry & Olsson, 1952
• Teinostoma lerema Pilsbry & McGinty, 1945
• Teinostoma lirulatum (Carpenter, 1857)
• Teinostoma lituspalmarum Pilsbry & McGinty, 1945
• Teinostoma megastoma (C. B. Adams, 1850)
• Teinostoma millepunctatum Pilsbry & Olsson, 1945
• Teinostoma minusculum (Bush, 1897)
• Teinostoma morlierei Jousseaume, 1872
• Teinostoma narina Pilsbry & Olsson, 1945
• Teinostoma ochsneri Strong & Hertlein, 1939
• Teinostoma pallidulum (Carpenter, 1847)
• Teinostoma parvicallum Pilsbry & McGinty, 1945
• Teinostoma percarinatum Pilsbry & Olsson, 1945
• Teinostoma politum A. Adams, 1853
• Teinostoma rarum Pilsbry & Olsson, 1945
• Teinostoma reclusum Dall, 1889
• Teinostoma sapiella Dall, 1919
• Teinostoma solidum Dall, 1889
• Teinostoma soror Pilsbry & Olsson, 1945
• Teinostoma substriatum Carpenter, 1857
• Teinostoma sulcatum (Carpenter, 1857)
• Teinostoma supravallatum (Carpenter, 1864)
• Teinostoma tectispira Pilsbry, 1953
• Teinostoma tumens (Carpenter, 1857)
• Teinostoma ultimum Pilsbry & Olsson, 1945
• Teinostoma umbilicatum (H. C. Lea, 1843)
• Teinostoma zacae Hertlein & Strong, 1951

Species brought into synonymy :

• Teinostoma dalli Dautzenberg, 1912 : synonym of Leucorhynchia punctata (Jousseaume, 1872)
• Teinostoma emmeles Melvill, 1910: synonym of Eunaticina emmeles (Melvill, 1910)
• Teinostoma modesta Dall, 1889: synonym of Dillwynella modesta (Dall, 1889)
• Teinostoma punctatum Jousseaume, 1872: synonym of Leucorhynchia punctata (Jousseaume, 1872)