Oenopotinae is a subfamily

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...

 of small to medium sized 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 Conidae.

Description

The Oenopotinae are characterized by a thin, elongate-ovate to fusiform shell in the form of a tall spire with a size between 4.7mm and 24.5 mm. They show a present, vestigial or absent operculum

Operculum (gastropod)

The operculum, meaning little lid, is a corneous or calcareous anatomical structure which exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails...

 and a shallow or inconspicuous sinus. This outer lip (labrum) is thin. The axial ribs are dominant in the sculpture

Sculpture (mollusc)

The sculpture of a mollusc shell is the three-dimensional ornamentation on the outer surface, as distinct from the basic shape of the shell itself or colouration. Sculpture may be concave as well as convex. Sometimes it has microscopic detail. Sculpture refers to the calcareous outer layer, not the...

 of the shell. The toxoglossate radula

Radula

The radula is an anatomical structure that is used by molluscs for feeding, sometimes compared rather inaccurately to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus...

 has a weak basal ribbon and relatively short marginal teeth with solid base. The tooth cavity opens laterally between the shaft and the base.

Genera

This is a list of the accepted names of genera in the subfamily Mangeliinae : (the main reference for recent species is the World Register of Marine Species

• Curtitoma
  Curtitoma
  Curtitoma is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.-Species:Species within the genus Curtitoma include:* Curtitoma bartschi * Curtitoma becklemishevi Bogdanov, 1989...
  
  Bartsch, 1941
• Granotoma Bartsch, 1941
• Lorabela Powell, 1951
• Nematoma Bartsch, 1941
• Obesotoma
  Obesotoma
  Obesotoma is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.-Species:Species within the genus Obesotoma include:* Obesotoma gigantea * Obesotoma gigas...
  
  Bartsch, 1941
• Oenopota
  Oenopota
  Oenopota is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.-Species:Species within the genus Oenopota include:* Oenopota admetoides * Oenopota alba Golikov & Scarlato, 1985...
  
  Mörch, 1852
• Oenopotella A. Sysoev, 1988
• Propebela
  Propebela
  Propebela is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.-Species:Species within the genus Propebela include:* Propebela alaskensis * Propebela alitakensis...
  
  Iredale, 1918
• Venustoma Bartsch, 1941