''Cossmannica'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of 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 in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

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.Rosenberg, G. (2011). ''Cossmannica'' Dall & Bartsch, 1904. Accessed through:

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific speciali ...

at http://www.marinespecies.org/aphia.php?p=taxdetails&id=588553 on 2011-11-29

Description

The surface of the shell is polished, marked by faint lines of growth and microscopic spiral striations. The shell is not umbilicated. The basal fasciole is absent. The

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An ...

is suboval. There are two

columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the ...

r folds.A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p.10; 1909
/ref>

Species

There are nine known species within the genus ''Cossmannica'', these include the following: * ''

Cossmannica aciculata ''Cossmannica aciculata'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Cossmannica aciculata'' A. Adams, 1854. Accessed through: World Register of Mari ...

'' A. Adams, 1855 * ''

Cossmannica bancoensis ''Cossmannica bancoensis'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Cossmannica bancoensis'' Saurin, 1959. Accessed through: World Register of Mari ...

'' Saurin, 1959 * ''

Cossmannica behainei ''Cossmannica behainei'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of a number within the genus ''Cossmannica''.Rosenberg, G. (2011). ''Cossmannica behai ...

'' Saurin, 1959 * ''

Cossmannica catinati ''Cossmannica catinati'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Cossmannica catinati'' Saurin, 1959. Accessed through: World Register of Marine S ...

'' Saurin, 1959 * ''

Cossmannica champaensis ''Cossmannica champaensis'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. The species is one of a number within the genus ''Cossmannica''.Rosenberg, G. (2011). ''Cossmannica ch ...

'' Saurin, 1959 * ''

Cossmannica discreta ''Cossmannica discreta'' is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Cossmannica discreta'' Saurin, 1959. Accessed through: World Register of Marine S ...

'' Saurin, 1959 * ''

Cossmannica exesa ''Cossmannica exesa'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Cossmannica exesa'' Laseron, 1959. Accessed through: World Register of Marine Specie ...

'' Laseron, 1959 * ''

Cossmannica jacksonensis ''Cossmannica jacksonensis'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. This species is one of many other species known to exist within the genus, ''Cossmannica''.Rosenberg, ...

'' (Dall & Bartsch, 1906) * ''

Cossmannica subcarina ''Cossmannica subcarina'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Cossmannica subcarina'' Laseron, 1959. Accessed through: World Register of Marin ...

'' Laseron, 1959

References

External links

World Register of Marine Species
Pyramidellidae {{Pyramidellidae-stub