''Inodrillia prolongata'' 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 Horaiclavidae
Horaiclavidae is a family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
In 2011 this family was split off from the family Pseudomelatomidae (formerly the subfamily Crassispirinae McLean, 1971) by Bouchet P., Ka ...
.
It was previously included within 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 ...
.
[Rosenberg, G. (2015). Inodrillia prolongata (E. A. Smith, 1890). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532930 on 2017-02-02]
Description
The length of the shell attains 6 mm, its diameter 2 mm.
The elongated, turreted shell contains 6–7 whorls, of which two in the protoconch. This species is remarkable for the great length of the
spire in proportion to that of the short
aperture. Besides the 12 ribs, the surface exhibits fine wavy striae of growth. The inner lip is thin and slightly incrassate. The large sinus is deep. The
columella is straight. 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 wide and very short.
Distribution
This marine species occurs off
St. Helena
Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constitu ...
References
External links
Smith E.A. (1890). ''Report on the marine molluscan fauna of the island of St. Helena''. Proceedings of the Zoological Society of London. 1890: 247-317, pl. 21-24
{{DEFAULTSORT:Inodrillia Prolongata
prolongata