Suavodrillia declivis is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

Description The shell is multicarinate with a few, strong carinae. The siphonal canal 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.

References

Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.