''Cryoturris'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
s,
marine gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
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 Regis ...
.
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).
In nature
File:Photograph and axial plane floral diagra ...
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 called " ...
is slender or moderately slender, the apex generally rising abruptly, consisting of about 2 or 3 whorls. The
body whorl
The body whorl is part of the morphology (biology), morphology of the gastropod shell, shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk ...
or half whorl bears curved, protractive axial riblets and generally bulges at its periphery. The
aperture
In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...
is moderately narrow. The anterior canal is very short or hardly differentiated, slightly emarginate. The outer
lip
The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...
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
''Cryoturris adamsii'' is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Description
The length of the shell attains 7 mm.
Distribution
''C. adamsii'' can be found in Atlantic Ocean waters, the Gulf of Mexi ...
''
(E. A. Smith, 1884)
* ''
Cryoturris albida''
(C.B. Adams, 1845)
* † ''
Cryoturris aptera''
W.P. Woodring, 1928
* ''
Cryoturris cerinella''
(Dall, 1889)
* ''
Cryoturris citronella''
(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](_blank)
/ref>
* † '' Cryoturris dianema'' 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 Species a ...
'' (Usticke, 1971)
* † '' Cryoturris etrema'' W.P. Woodring, 1928
* † '' Cryoturris euengonia'' W.P. Woodring, 1928
* '' Cryoturris fargoi'' McGinty, 1955
* † '' Cryoturris habra'' W.P. Woodring, 1970
* '' Cryoturris lavalleana'' (d' Orbigny, 1847)
* † ''Cryoturris magnoliana chariessa'' Gardner, 1948
* † '' Cryoturris nexilis'' W.P. Woodring, 1928
* '' Cryoturris quadrilineata'' (C. B. Adams, 1850)
* † '' Cryoturris serta'' A.A. Olsson & A. Harbison, 1953
* '' Cryoturris vincula'' (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'' (Reeve, 1845)
* ''Cryoturris elata'' (Dall, 1889): synonym of '' Platycythara elata'' (Dall, 1889)
* ''Cryoturris filifera'' (Dall, 1881): synonym of '' Gymnobela filifera'' (Dall, 1881)
* ''Cryoturris serga'' (Dall, 1881): synonym of '' Kurtziella serga'' (Dall, 1881)
* ''Cryoturris trilineata'' (Adams C. B., 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