''Agladrillia pudica'' 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

Drilliidae The Drilliidae are a Taxonomy (biology), taxonomic family (biology), family of small predatory sea snails with high-spired shells. They are classified as marine (ocean), marine gastropod mollusks in the superfamily Conoidea. This family has no s ...

Description

The size of an adult shell varies between 13 mm and 20 mm. The

whorls 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 d ...

are shortly and obliquely ribbed. The ribs are obsolete on the back of the last whorl, depressed below the sutures. The color of the shell is yellowish brown, with a deep reddish chestnut spot on the back of 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

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 compared to the other species in this genus. George Washington Tryon, Manual of Conchology vol. VI p. 189; 1884 (described as ''Drillia pudica'')

Distribution

This species occurs in the Pacific Ocean off Central America and Ecuador.

References

External links

*
Hinds R.B. (1844–1845) The Zoology of the Voyage of H. M. S. “Sulphur”, Under the command of Captain Sir Edward Belcher, R.N., C.B., F.R.G.S., etc., during the years 1836–42. Vol. II, Mollusca. Smith, Elder and Co., London, v + 72 pp., 21 pls
{{DEFAULTSORT:Agladrillia Pudica pudica Gastropods described in 1843