''Eucithara typhonota'' is a small
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:
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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
Mangeliidae.
[WoRMS (2009). Eucithara typhonota (Melvill & Standen, 1901). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=433766 on 2017-05-10]
The
holotype in the
British Museum of Natural History is a juvenile form. This raises questions about the validity of this species.
Description
The length of the shell attains 8 mm, its diameter 1.5 mm.
The solid, gradated shell has an ovate shape. It is white with a smoky black spiral dorsal band, most conspicuous just behind the outer lip. It contains 8
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, impressed at the suture. The
teleoconch shows a few rectilineal ribs, of which 12 in 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 ...
. The
aperture is narrow and oblong. The outer
lip is simple (juvenile). The white
columella is rather straight
[WoRMS (2009). Eucithara edithae (Melvill & Standen, 1901). In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=433718 on 2017-05-09]
Distribution
This marine species occurs in the
Persian Gulf.
References
External links
Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1-1295
{{Taxonbar, from=Q10278073
typhonota
Gastropods described in 1901