''Eucyclotoma'' is a
genus of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
s, 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 comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusks in the
family Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". '' Malacologia'' 47(1-2). . 3 ...
.
Species
Species within the genus ''Eucyclotoma'' include:
* ''
Eucyclotoma albomacula
''Eucyclotoma albomacula'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae. It was first described by E. Alison Kay in 1979 and is distinguished by a single spiral keel on each whorl with axial white stripes; ...
''
Kay, 1979
* ''
Eucyclotoma bicarinata
''Eucyclotoma bicarinata'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell is , its diameter .
The white, turreted shell is elongate. It contains six whorls, clathrated t ...
''
(Pease, 1863)
* ''
Eucyclotoma carinulata
''Eucyclotoma carinulata'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 8 mm.
The shell is longitudinally obscurely ribbed, and transversely striated. The ...
''
(Souverbie, 1875)
* ''
Eucyclotoma cingulata
''Eucyclotoma cingulata'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
(Original description) The large, fusiform shell is rich reddish brown, deepest on the columella, with a closely adheren ...
''
(Dall, 1890)
* ''
Eucyclotoma cymatodes
''Eucyclotoma cymatodes'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.MolluscaBase (2019). MolluscaBase. Eucyclotoma cymatodes (Hervier, 1897). Accessed through: World Register of Marine Species at: http:/ ...
''
(Hervier, 1897)
* ''
Eucyclotoma exilis
''Eucyclotoma exilis'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 12 mm.
The white shell is finely decussated by raised striae. The body whorl
The ...
''
(Dunker, 1871)
* ''
Eucyclotoma fusiformis
''Eucyclotoma fusiformis'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 8 mm.
The shell is longitudinally ribbed on the spire. The ribs are obsolete on the bo ...
''
(Garrett, 1873)
* ''
Eucyclotoma hindsii
''Eucyclotoma hindsii'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell varies between 8 mm and 15 mm.
The white shell is faintly variegated with pale brown. Th ...
''
(Reeve, 1843)
* ''
Eucyclotoma inquinata''
(Reeve, 1845)
* ''
Eucyclotoma lactea
''Eucyclotoma lactea'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell varies between 9 mm and 16 mm
Distribution
This marine species occurs off Taiwan and French Polyn ...
''
(Reeve, 1843)
* ''
Eucyclotoma stegeri
''Eucyclotoma stegeri'', common name Steger's turret, is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell varies between 12 mm and 23 mm.
Distribution
''E. stegeri ...
''
(McGinty, 1955)
* ''
Eucyclotoma tricarinata
''Eucyclotoma tricarinata'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 16 mm, its diameter 7 mm.
The shell is large for the genus. It is lanceolate and rathe ...
''
(Kiener, 1840)
* ''
Eucyclotoma trivaricosa
''Eucyclotoma trivaricosa'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The size of the mollusks shell reaches up to 15 mm in length and is light yellowish white in color.
The shell sho ...
''
(Martens, 1880)
* ''
Eucyclotoma varicifera
''Eucyclotoma varicifera'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 17 mm, its diameter 5 mm.
(Original description) The elongate shell is straightly acumi ...
''
(Pease, 1868)
;Species brought into synonymy:
* ''Eucyclotoma minuta''
Reeve, 1844 : synonym of ''
Nepotilla minuta
''Nepotilla minuta'', common name the minute turrid, is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
''Daphnella minuta'' Verco, 1909 is a synonym of '' Nepotilla mimica'' (Sowerby III, 1896), according to H ...
''
(Tenison-Woods, 1877)
* ''Eucyclotoma molleri''
(Reeve, 1846): synonym of ''
Eucyclotoma lactea
''Eucyclotoma lactea'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell varies between 9 mm and 16 mm
Distribution
This marine species occurs off Taiwan and French Polyn ...
''
(Reeve, 1843)
* ''Eucyclotoma nobilis''
Hedley, 1922: synonym of ''
Eucyclotoma tricarinata
''Eucyclotoma tricarinata'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 16 mm, its diameter 7 mm.
The shell is large for the genus. It is lanceolate and rathe ...
''
(Kiener, 1840)
* ''Eucyclotoma pulcherrima''
Adams, 1871 : synonym of ''
Eucyclotoma exilis
''Eucyclotoma exilis'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 12 mm.
The white shell is finely decussated by raised striae. The body whorl
The ...
''
(Dunker, 1871)
* ''Eucyclotoma ticaonica''
Reeve, 1845: synonym of ''
Daphnella ticaonica
''Daphnella ticaonica'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 12 mm.
The whorl
A whorl ( or ) is an individual circle, oval, volution or equivale ...
''
(Reeve, 1845)
* ''Eucyclotoma tricarinata''
Reeve, 1843 : synonym of ''
Eucyclotoma exilis
''Eucyclotoma exilis'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 12 mm.
The white shell is finely decussated by raised striae. The body whorl
The ...
''
(Dunker, 1871)
References
* Boettger, O. 1895. ''Die marinen Mollusken der Philippinen. IV. Die Pleurotomiden''. Nachrichtsblatt der Deutschen Malakozooligischen Gesellschaft 27(1-2, 3-4): 1-20, 41-63
* Powell, A.W.B. 1966. ''The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species.'' Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23
External links
Worldwide Mollusc Species Data Base: Raphitomidae Bouchet, P.; Kantor, Y. I.; Sysoev, A.; Puillandre, N. (2011). ''A new operational classification of the Conoidea (Gastropoda).'' Journal of Molluscan Studies. 77(3): 273-308
Raphitomidae
Gastropod genera
{{Raphitomidae-stub