''Jujubinus polychroma'' is a
species 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 ...
, a
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
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 ...
mollusk in the
family Trochidae, the top snails.
[MolluscaBase eds. (2020). MolluscaBase. Jujubinus polychroma (A. Adams, 1853). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=834221 on 2020-07-26]
Description
The length of the shell varies between 12 mm and 18 mm. The perforate shell has a turreted-conic shape. It is, green, painted with undulating white bands, varied with buff angular lines. The plane
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 floral ...
s are subimbricating. They are ornamented with a slightly prominent articulated margin, subdistant impressed transverse lines, and longitudinally substriated. The
body whorl
The body whorl is part of the morphology of the 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.
In gastropods
In gastropods, the b ...
is angulate The base of the shell is a little convex, sculptured with cinguli articulated with buff The
aperture is subquadrate and green inside. The
columella is straight subtruncate at its base.
Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
/ref>
Distribution
This species occurs in the Indo-Pacific and off Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
References
* Reeve, L.A. 1863. ''Monograph of the genus Zizyphinus''. pls 2–8 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 14
* Melvill, J.C. & Standen, R., 1901. ''The Mollusca of the Persian Gulf, Gulf of Oman and Arabian Sea, as evidenced mainly through the collections of Mr F.W. Townsend, 1893-1900; with descriptions of new species. Part 1. Cephalopoda, Gastropoda, Scaphopoda''. Proc. Zool. Soc. Lond., 2(1):327-4602124.
* Schepman, M.M., 1908 1/Dec/1908 ''Prosobranchia (excluding Heteropoda and parasitic Prosobranchia). Rhipidoglossa and Docoglossa. With an appendix by Prof. R. Bergh ectinobranchiata'. Siboga Expedition, 49(1):1-1089.
* Thiele, J. 1930. ''Gastropoda und Bivalvia''. pp. 561–596 in Michaelsen, W. & Hartmayer, R. (eds). Die Fauna Südwest-Australiens. Jena : Gustav Fischer Vol. 5
* Ponder, W.F., 1978 1/Dec/1978 ''The unfigured Mollusca of J. Thiele. 1930 published in Die Fauna Sudwest-Australiens''. Records of the Western Australian Museum, 6(4):423-441.
* Satyamurti, S.T., 1952. ''Mollusca of Krusadai Is. I. Amphineura and Gastropoda''. Bull. Madras Govt. Mus.; Nat. Hist.n.s., 1(2)(6):1-267
* Dekker H. (2006). ''Description of a new species of Kanekotrochus (Gastropoda: Trochidae) from Vietnam.'' Miscellanea Malacologia, 2(1): 1-4
External links
To World Register of Marine Species
*
Adams, A. 1851. ''Contributions towards a monograph of the Trochidae, a family of gastropodous Mollusca''. Proceedings of the Zoological Society of London 1851(19): 150-192
{{Taxonbar, from=Q5033765
polychroma
Gastropods of Australia
Gastropods described in 1853