The Nassariidae, Nassa mud snails (USA), or dog whelks (UK), are a taxonomic family of small to medium-sized sea snails, marine gastropod mollusks in the clade Neogastropoda.
Metaphos is a genus of sea snails, marine gastropod mollusks in the family Nassariidae.
Drilliola is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae, the cone snails and their allies.
Engoniophos is a genus of sea snails, marine gastropod mollusks in the subfamily of the family Nassariidae.
Nassarius johni is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Tritia varicosa is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the nassa mud snails or dog whelks.
Nassarius simoni is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa mud snails or dog whelks.
Tritia tinei is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa mud snails or dog whelks.
Ersilia is a minor genus of minute sea snails, marine gastropod mollusks in the family Eulimidae.
Lissotesta virodunensis is an extinct species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Moelleriopsis carinaspira is an extinct species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Typhina subburdigalensis is an extinct species of sea snail, a marine gastropod mollusk, in the family Muricidae, the murex snails or rock snails.
Pleurotomella megapex is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Raphitoma pycnum is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Raphitoma vitiosa is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Pseudolusitanops bulbiformis is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Hortia is a genus of sea snails, marine gastropod molluscs in the family Pyramimitridae, the mitre snails.
Pterynopsis is an extinct genus of sea snails, marine gastropod mollusks in the subfamily Ocenebrinae of the family Muricidae, the murex snails or rock snails.
Tritia pygmaea is an extinct species of sea snail, a marine gastropod mollusk in the family Nassariidae, the nassa mud snails or dog whelks.
Zeidora lacipidinae is an extinct species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
