''Clavatula diadema'' common name the diadem 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

Clavatulidae Clavatulidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Conoidea. The family is not well differentiated morphologically. Clavatulidae was raised, based on cladistic analysis, from subfamily to the family ...

Description

The size of an adult shell varies between 14 mm and 38 mm. Shells typically have the opening on the right side. The shape of top of the shell is a steep cone with small rigid protrusions circling each layer.

Distribution

This species occurs in the Atlantic Ocean from Senegal to Angola.

References

Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers, pl. 8; f. 2; Boston :W.D. Ticknor,1837
* Bernard, P.A. (Ed.) (1984). ''Coquillages du Gabon hells of Gabon'. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates pp.

External links

* diadema Gastropods described in 1840 {{clavatulidae-stub