Cyclostremellini is a tribe, a taxonomic grouping, of minute 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 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 family Pyramidellidae

Pyramidellidae

Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs or micromolluscs....

, the pyrams.

Taxonomy

Cyclostremellinae has been a subfamily one of eleven recognised in the Pyramidellidae

Pyramidellidae

Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs or micromolluscs....

 (according to the taxonomy of Ponder

Winston Ponder

Winston F. Ponder B.Sc, M.Sc, Ph.D, D.Sc. is a noted malacologist from New Zealand who has named and described many marine animals, especially micromolluscs. He is a graduate of the University of Auckland, New Zealand....

 & Lindberg

David R. Lindberg

David R. Lindberg is an American malacologist and professor of integrative biology at the University of California, Berkeley. He is also the Curator for the University of California Museum of Paleontology and co-editor of the journal Molecular Systematics and Phylogeography of Mollusks.Much of his...

, 1997), and according to Schander, van Aartsen and Corgan (1999) it comprises two genera, Cyclostremella

Cyclostremella

Cyclostremella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.-Species:Species within the genus Cyclostremella include:* Cyclostremella concordia Bartsch, 1920...

and Pseudoskenella

Pseudoskenella

Pseudoskenella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.-Species:Species within the genus Pseudoskenella include:* Pseudoskenella depressa Ponder, 1973-External links:*...

.

In the taxonomy of Bouchet & Rocroi

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...

 (2005), this subfamily has been downgraded to the rank of tribe

Tribe (biology)

In biology, a tribe is a taxonomic rank between family and genus. It is sometimes subdivided into subtribes.Some examples include the tribes: Canini, Acalypheae, Hominini, Bombini, and Antidesmeae.-See also:* Biological classification* Rank...

 Cyclostremellini in the subfamily Odostomiinae

Odostomiinae

Odostomiinae, Odostomia snails and their allies, is a taxonomic subfamily of minute parasitic sea snails. These are marine heterobranch gastropod mollusks, or micromollusks, in the family Pyramidellidae.-Taxonomy:...

.

Genera

Genera within the tribe Cyclostremellini include:

• Cyclostremella
  Cyclostremella
  Cyclostremella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.-Species:Species within the genus Cyclostremella include:* Cyclostremella concordia Bartsch, 1920...
  
  Bush, 1897
  • Cyclostremella californica Bartsch, 1907
  • Cyclostremella concordia
    Cyclostremella concordia
    Cyclostremella concordia is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.-External links:*...
    
    Bartsch, 1920
  • Cyclostremella conradia Bartsch, 1920
  • Cyclostremella humilis
    Cyclostremella humilis
    Cyclostremella humilis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.-External links:* * * * *...
    
    Bartsch, 1897
• Pseudoskenella
  Pseudoskenella
  Pseudoskenella is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.-Species:Species within the genus Pseudoskenella include:* Pseudoskenella depressa Ponder, 1973-External links:*...
  
  Ponder
  Winston Ponder
  Winston F. Ponder B.Sc, M.Sc, Ph.D, D.Sc. is a noted malacologist from New Zealand who has named and described many marine animals, especially micromolluscs. He is a graduate of the University of Auckland, New Zealand....
  
  , 1973
  • Pseudoskenella depressa Ponder, 1973

External links

• OBIS Indo-Pacific Molluscan Database