Sphaeronassa

Sphaeronassa is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.

The genus Sphaeronassa has become a synonym of Nassarius Duméril, 1805

Species
Species within the genus Sphaeronassa include:
 * Sphaeronassa mutabilis (Linnaeus, 1758) : synonym of Nassarius mutabilis (Linnaeus, 1758)