''Gemmula speciosa'', common name the splendid turrid, 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 varies between 40 mm and 80 mm.
The shell is crenulately carinate or ribbed. The principal keel, forming the angle of the
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, is broad and corded, with a sloping shoulder above it and studded with raised granules. The shell is yellowish white, the ribs ochraceous. The peripheral keel and the primary spiral cords show light-brown continuous lines.
G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
Distribution
This marine species occurs in the Indo-West Pacific; in the South China Sea, 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 ...
; Arabian Sea, Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, the Philippines; off Papua New Guinea.
References
* Powell, A.W.B. (1964) ''The family Turridae in the Indo-Pacific. Part 1. The subfamily Turrinae''. Indo-Pacific Mollusca, 1, 227–346.
* Liu, J.Y. uiyu(ed.). (2008). Checklist of marine biota of China seas. China Science Press. 1267 pp.
* Li B. aoquan& Li X. inzheng (2008). Report on the turrid genera Gemmula, Lophiotoma and Ptychosyrinx (Gastropoda: Turridae: Turrinae) from the China seas. Zootaxa. 1778: 1-25.
External links
Reeve. "On new species of Pleurotoma, Clavatula, and Mangelia." ; Proceedings of the Zoological Society of London pt. 9-11 (1841-1843)
Melvill J.C., 1917. A revision of the Turridae (Pleurotomidae) occurring in the Persian Gulf, Gulf of Oman and north Arabian Sea as evidenced mostly through the results of dredgings carried out by Mr F. W. Townsend, 1893~1914. Proc. Malac. Soc. Lond. 12: 140-201, pls. 8-10
Gastropods.com: Gemmula (Gemmula - speciosa group) speciosa
Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1-1295
speciosa
Speciosa (foaled 28 April 2003) is an Irish-bred, British-trained Thoroughbred racehorse. In a racing career which lasted from June 2005 and October 2007 she ran seventeen times and won four races. As a two-year-old, she won two of her six race ...
Gastropods described in 1842
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