''Exomilus cancellatus'' 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
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 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). . 39 ...
.
Description
The length of the shell attains 4.5 mm, its diameter 1.5 mm.
(Original description) The small, fulvous brown shell is narrowly fusiform and turreted. It contains five
whorls
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 d ...
, sloping angulate above plicate lengthwise. The interstices are broadly striate, giving the whole shell a cancellated appearance. The
aperture is narrowly oval. The outer
lip is simple.
Beddome, C.E. 1883. Description of some new marine shells of Tasmania. Papers and Proceedings of the Royal Society of Tasmania 1882
Distribution
This marine species is endemic to Australia and occurs off Tasmania
References
* Tate, R. & May, W.L. 1901. ''A revised census of the marine Mollusca of Tasmania''. Proceedings of the Linnean Society of New South Wales 26(3): 344-471
* Verco, J.C. 1909. ''Notes on South Australian marine Mollusca with descriptions of new species. Part XII''. Transactions of the Royal Society of South Australia 33: 293-342
* May, W.L. 1921. ''A Checklist of the Mollusca of Tasmania''. Hobart, Tasmania : Government Printer 114 pp.
* Hedley, C. 1922. ''A revision of the Australian Turridae''. Records of the Australian Museum 13(6): 213-359, pls 42-56
* May, W.L. 1923. ''An Illustrated Index of Tasmanian Shells: with 47 plates and 1052 species''. Hobart : Government Printer 100 pp.
External links
*
*
Gastropods.com: ''Exomilus cancellata''
{{DEFAULTSORT:Exomilus Cancellatus
cancellatus
Gastropods described in 1883
Gastropods of Australia