Cyclostremellini is a minor tribe, a

taxonomic Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. A ...

grouping, of minute sea snails,

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is es ...

s or

micromollusk A micromollusk is 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 ...

s, in the family

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. The great majority of species of pyrams are micr ...

, the pyrams and their allies.

Taxonomy

Cyclostremellinae has been a subfamily one of eleven recognised in the

(according to the taxonomy of Ponder &

Lindberg Lindberg is a municipality in the district of Regen in Bavaria in Germany in the immediate neighbourhood of the larger town Zwiesel. Location Lindberg lies in the Danube Forest (''Donau-Wald'') region in the middle of the Bavarian Forest on ...

, 1997), and according to

Schander Carl Fredrik Christoffer Schander (21 May 1960 – 21 February 2012) was a professor in marine biology at the University of Bergen, Norway. He was also a thematic leader at the Centre of Excellence in Geobiology. His doctoral thesis (1997, Univ ...

, van Aartsen and Corgan (1999) it comprises two genera, ''

Cyclostremella ''Cyclostremella'' is a minor genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2011). ''Cyclostremella'' Bush, 1897. Accessed through: World Register of Marine Species at htt ...

'' and ''

Pseudoskenella ''Pseudoskenella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Pseudoskenella'' Ponder, 1973. Accessed through: World Register of Marine Species at http: ...

''. In the taxonomy of Bouchet & Rocroi (2005), this subfamily has been downgraded to the rank of

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English is in the discipline of anthropology. This definition is contested, in part due to confl ...

Cyclostremellini in the subfamily

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 The subfamily Odostomi ...

Genera

Genera within the tribe Cyclostremellini include: * ''

'' Bush, 1897 ** ''Cyclostremella californica'' Bartsch, 1907 ** ''

Cyclostremella concordia ''Cyclostremella concordia'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of three known species to exist within the genus, ''Cyclostremella''. The other spe ...

'' Bartsch, 1920 ** ''Cyclostremella conradia '' Bartsch, 1920 ** ''

Cyclostremella humilis ''Cyclostremella humilis'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of three known species to exist within the genus, ''Cyclostremella''. The other speci ...

'' Bartsch, 1897WoRMS (2010). ''Cyclostremella humilis'' Bush, 1897. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=420443 on 2011-03-14 * ''

'' Ponder, 1973 ** ''

Pseudoskenella depressa ''Pseudoskenella depressa'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Pseudoskenella depressa'' Ponder, 1973. Accessed through: World Register of Marin ...

'' Ponder, 1973

References

External links

*
OBIS Indo-Pacific Molluscan Database
Pyramidellidae {{Pyramidellidae-stub