''Cryoturris'' 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 ...

Mangeliidae Mangeliidae is a monophyletic family of small to medium-sized, predatory sea snails, marine gastropod mollusks in the superfamily Conoidea. Bouchet, P. (2011). Mangeliidae P. Fischer, 1883. In: MolluscaBase (2016). Accessed through: World Reg ...

Description

The shell is small or medium-sized, slender or moderately slender. The

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane flo ...

s are angulated at the periphery or rounded. The

protoconch A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also calle ...

is slender or moderately slender, the apex generally rising abruptly, consisting of about 2 or 3 whorls. The body whorl or half whorl bears curved, protractive axial riblets and generally bulges at its periphery. 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 moderately narrow. The anterior canal is very short or hardly differentiated, slightly emarginate. The outer

lip The lips are the visible body part at the mouth of many animals, including humans. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a tactile sensory organ, and can be ...

is simple, except at intervals corresponding to position of varix-like ribs. The anal notch is wide, shallow, or moderately deep. The

sculpture Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...

consists of axial ribs, overridden by fine spiral threads and by microscopic frosted spiral threads. This genus is the tropical representation of the temperate genus ''

Kurtziella ''Kurtziella'' is a genus of small, predatory sea snails, marine gastropod mollusks in the family Mangeliidae. Prior to a 2011 genetic revision, the genus used to be included in the family Conidae. Species Species within the genus ''Kurtziella ...

'' with a similar aperture and sculpture.

Species

Species within the genus ''Cryoturris'' include: * '' Cryoturris adamsii'' (E. A. Smith, 1884) * '' Cryoturris albida'' (C.B. Adams, 1845) * † ''

Cryoturris aptera ''Cryoturris aptera'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 11.4 mm, its diameter 3.9 mm. Distribution This extinct marine species ha ...

'' W.P. Woodring, 1928 * ''

Cryoturris cerinella ''Cryoturris cerinella'' , common name the little waxy mangelia, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Mangeliidae. Description The length of the shell varies between 6 mm and 12 mm. '' ...

'' (Dall, 1889) * ''

Cryoturris citronella ''Cryoturris citronella'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 10.5 mm. This marine species has a very minute brown tilted protoconch, followed by t ...

'' (Dall, 1886) * '' Cryoturris daidalea'' Gardner J.A., 1947 Julia Gardner (1947): The Molluscan Fauna of the Alum Bluff Group of Florida; Professional Paper 142, U.S. Government Printing Office, Washington, 1947
/ref> * † ''

Cryoturris dianema ''Cryoturris dianema'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Rosenberg, G. (2010). Cryoturris dianema Woodring, 1928. In: MolluscaBase (2017). Accessed through: World Register of Marine Specie ...

'' Woodring, 1928 * † '' Cryoturris dominicensis'' (W.M. Gabb, 1873) *''

Cryoturris edithae ''Cryoturris edithae'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Rosenberg, G. (2010). Cryoturris edithae (Nowell-Usticke, 1971). In: MolluscaBase (2017). Accessed through: World Register of Marine Specie ...

'' (Usticke, 1971) * † ''

Cryoturris etrema ''Cryoturris etrema'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 8.5 mm, its diameter 2.7 mm. Distribution This extinct marine species has ...

'' W.P. Woodring, 1928 * † ''

Cryoturris euengonia ''Cryoturris euengonia'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 4.6 mm, its diameter 2.4 mm. Distribution This extinct marine species ...

'' W.P. Woodring, 1928 * ''

Cryoturris fargoi ''Cryoturris fargoi'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell varies between 6 mm and 18 mm. Distribution ''C. fargoi'' can be found in Atlantic waters, ...

'' McGinty, 1955 * † ''

Cryoturris habra ''Cryoturris habra'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 5.2 mm, its diameter 1.9 mm. Distribution This extinct marine species has b ...

'' W.P. Woodring, 1970 * ''

Cryoturris lavalleana ''Cryoturris lavalleana'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.Rosenberg, G. (2010). Cryoturris lavalleana (d'Orbigny, 1847). In: MolluscaBase (2017). Accessed through: World Register of Marine Speci ...

'' (d' Orbigny, 1847) * † ''Cryoturris magnoliana chariessa'' Gardner, 1948 * † ''

Cryoturris nexilis ''Cryoturris nexilis'' is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 5.3 mm, its diameter 1.9 mm. Distribution This extinct marine species ha ...

'' W.P. Woodring, 1928 * ''

Cryoturris quadrilineata ''Cryoturris quadrilineata'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell varies between 4 mm and 11 mm. Distribution ''C. quadrilineata'' can be found in Atlan ...

'' (C. B. Adams, 1850) * † ''

Cryoturris serta ''Cryoturris serta'' is an extinct species of sea snail, a marine gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This cla ...

'' A.A. Olsson & A. Harbison, 1953 * ''

Cryoturris vincula ''Cryoturris vincula'' is a species of sea snail, a marine gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comp ...

'' (Usticke, 1969) ; Species brought into synonymy: * ''Cryoturris diadema'' W.P. Woodring, 1928 : synonym of ''Cryoturris dianema'' W.P. Woodring, 1928 * ''Cryoturris dorvilliae'' (Reeve, 1845): synonym of ''

Kurtziella dorvilliae ''Kurtziella dorvilliae'' , common name Dorvill's mangelia, is a species of sea snail, a marine gastropod mollusc in the family Mangeliidae. Description The length of the shell attains 10.5 mm. The shell is rather thin and narrowly sho ...

'' (Reeve, 1845) * ''Cryoturris elata'' (Dall, 1889): synonym of ''

Platycythara elata ''Platycythara elata'', common name the elongate mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 4.75 mm, its diameter 2 mm. (Original description ...

'' (Dall, 1889) * ''Cryoturris filifera'' (Dall, 1881): synonym of '' Gymnobela filifera'' (Dall, 1881) * ''Cryoturris serga'' (Dall, 1881): synonym of ''

Kurtziella serga ''Kurtziella serga'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Retrieved 9 August 2011. Description The length of the shell attains , its diameter . The small, dull, slender shell is yellowish white. I ...

'' (Dall, 1881) * ''Cryoturris trilineata'' (Adams C. B., 1845): synonym of ''

Tenaturris trilineata ''Tenaturris trilineata'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. Description The length of the shell attains 6.5 mm. The shell is narrowly shouldered and contains 6½ whorls. It shows small, cl ...

'' (C. B. Adams, 1845)

References

* W. P. Woodring. 1928. ''Miocene Molluscs from Bowden, Jamaica. Part 2: Gastropods and discussion of results'' . Contributions to the Geology and Palaeontology of the West Indies

External links

Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1-1295.

{{Taxonbar, from=Q3170231 Gastropod genera