''Turridrupa prestoni'' 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 Turridae
Turridae is a taxonomic family name for a number of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea. MolluscaBase (2018). Turridae H. Adams & A. Adams, 1853 (1838). Accessed through: World Register of Marine Specie ...
, the turrids.
Description
The length of the shell attains 27.5 mm, its diameter 10.4 mm.
(Original description) The turreted shell is yellowish brown. It contains 11
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, the upper bearing two spiral ridges between which is a row of coarse tubercles, the intervening spaces sculptured with minute spiral and transverse striae. 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 ...
bears five spiral lirse in addition to the row of tubercles between the first two of these. The base of the shell is coarsely spirally lirate. The
aperture is oval. The
peristomeis reflexed especially round the . The sinus is broad and rather deep. The
columella lip is expanded, erect and forms an umbilical fissure between it and the base of the shell. The
siphonal canal
The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water is ...
is rather long, slightly reflexed upwards at base.
[Preston, H. B. (1908). Descriptions of new species of land, marine and freshwater shells from the Andaman Islands. Records of the Indian Museum. 2(2): 187-210, pls 14-17.]
/ref>
Distribution
This marine species occurs off Tanzania, Zanzibar, the Philippines, Singapore, Indonesia, Papua New Guinea, the Fiji Islands and off the Nansha Islands
The Spratly Islands ( fil, Kapuluan ng Kalayaan; zh, c=南沙群島/南沙群岛, s=, t=, p=Nánshā Qúndǎo; Malay, id, Kepulauan Spratly; vi, Quần đảo Trường Sa) are a disputed archipelago in the South China Sea. Composed ...
, China.
References
* Powell AWB. 1967. The family Turridae in the Indo-Pacific. Part 1a. The subfamily Turrinae concluded. Indo-Pacific Moll. 1(7):409–432.
* Liu, J.Y. uiyu(ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp
* Li B.Q., Kilburn R.N., & Li X.Z. (2010). Report on Crassispirinae Morrison, (Mollusca: Neogastropoda: Turridae) from the China Seas. Journal of Natural History. 44, 699-740.
External links
Baoquan Li 李宝泉 & R.N. Kilburn, Report on Crassispirinae Morrison, 1966 (Mollusca: Neogastropoda: Turridae) from the China Seas; Journal of Natural History 44(11):699–740 · March 2010; DOI: 10.1080/00222930903470086
prestoni
Gastropods described in 1967
{{turridae-stub