''Suavodrillia declivis'' 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 Borsoniidae.

Description

The shell is multicarinate with a few, strong carinae. 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 somewhat more produced and narrowed. The anal sinus is shallow. The columella is not plicate. The color of the shell is light reddish fulvous. George Washington Tryon, Manual of Conchology vol. VI, p. 170; 1884

Distribution

This species occurs in the Pacific Ocean off

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 ...

References

* Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda).'' Zootaxa 682:1–1295. declivis Gastropods described in 1880 {{Borsoniidae-stub