Provannidae is a 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...

 of deep water 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 clade Caenogastropoda

Caenogastropoda

Caenogastropoda is a taxonomic clade of a large diverse group of mostly marine gastropods.Caenogastropoda contains a majority of the families of shelled marine molluscs including such families as the periwinkles, cowries, wentletraps, moon snails, and cone snails.About 60% of all living gastropods...

 (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005

Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)

The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

).

Habitat

These snails are part of the fauna of the hydrothermal vent

Hydrothermal vent

A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots. Hydrothermal vents exist because the earth is both...

s, cold seep

Cold seep

A cold seep is an area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage occurs, often in the form of a brine pool...

s, whale fall

Whale fall

Whale fall is the term used for a whale carcass that has fallen to the ocean floor. Whale falls were first observed in the 1980s, with the advent of deep-sea robotic exploration....

s, and sunken driftwood.

Taxonomy

The family Provaniidae was previously placed in the "Zygopleuroid group" (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005

Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)

The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

). This family has no subfamilies according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005

Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)

The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

.

Subsequently Provaniidae was placed in the superfamily Abyssochrysoidea

Abyssochrysoidea

Abyssochrysoidea is a superfamily of deep water sea snails, marine gastropod mollusks in the clade Caenogastropoda.These snails are part of the fauna of the hydrothermal vents and other deep-water habitats.-Families:...

 Tomlin, 1927.

Genera

Genera within the family Provannidae include:

• Alviniconcha
  Alviniconcha
  Alviniconcha is a genus of deep water sea snails, marine gastropod mollusks in the family Provannidae.These snails are part of the fauna of the hydrothermal vents....
  
  
• Cordesia Warén & Bouchet, 2009 - with the only species Cordesia provannoides
  Cordesia provannoides
  Cordesia provannoides is a species of sea snail, a marine gastropod mollusk in the family Provannidae.Cordesia provannoides is the only species in the genus Cordesia.-Distribution:...
  
  Warén & Bouchet, 2009
• Desbruyeresia
  Desbruyeresia
  Desbruyeresia is a genus of sea snails, marine gastropod mollusks in the family Provannidae.-Species:Species within the genus Desbruyeresia include:* Desbruyeresia cancellata Warén & &Bouchet, 1993...
  
  
• Ifremeria
  Ifremeria
  Ifremeria is a genus of sea snails, marine gastropod mollusks in the family Provannidae.-Species:Species within the genus Ifremeria include:* Ifremeria nautilei Bouchet & Warén, 1991...
  
  
  • Ifremeria nautilei
    Ifremeria nautilei
    Ifremeria nautilei is a species of sea snail, a marine gastropod mollusk in the family Provannidae....
    
    - this species has endosymbitic bacteria, which provide "food" via chemoautotrophy.
• Provanna
  Provanna
  Provanna is a genus of sea snails, marine gastropod mollusks in the family Provannidae.-Species:Species within the genus Provanna include:* Provanna abyssalis Okutani & Fujikura, 2002* Provanna admetoides Warén & Ponder, 1991...
  
  
• Rubyspira Johnson et al., 2010