The Buccinidae are a very large and diverse taxonomic family of large sea snails, often known as whelks or true whelks.
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.
Clea is a genus of freshwater snails with opercula, aquatic gastropod mollusks in the subfamily Anentominae of the family Nassariidae, a family, almost all of the rest of which are marine.
Metaphos is a genus of sea snails, marine gastropod mollusks in the family Nassariidae.
Engoniophos is a genus of sea snails, marine gastropod mollusks in the subfamily of the family Nassariidae.
Nassaria is a genus of sea snails, marine gastropod mollusks in the subfamily Tomliniinae of the family Nassariidae.
Phos is a genus of sea snails, marine gastropod mollusks in the family Nassariidae.
Nassarius silvardi is a species of sea snail, a marine gastropod mollusc 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.
Dorsanum is a genus of sea snails, marine gastropod mollusks in the subfamily Dorsaninae of the family Nassariidae, the Nassa mud snails or dog whelks.
Hebra is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.
Demoulia is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.
Northia is a genus of large sea snails, marine gastropod mollusks in the subfamily Photinae of the family Nassariidae.
Clea hidalgoi is a Southeast Asian species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Nassariidae, most of which are marine.
Buccinanops is a genus of sea snails, marine gastropod mollusks in the family Buccinanopsidae, the Nassa mud snails or dog whelks and the like.
Phrontis is a genus of sea snails, marine gastropod mollusks in the subfamily Nassariinae of the family Nassariidae, the Nassa mud snails or dog whelks.
Nassodonta is a genus of brackish water snails, gastropod mollusks in the family Nassariidae.
Naytia is a genus of brackish water snails, gastropod mollusks in the subfamily Nassariinae of the family Nassariidae.
Caesia is a genus of sea snails in the subfamily Nassariinae of the family Nassariidae.
Oligohalinophila is a genus of freshwater snails with opercula, aquatic gastropod mollusks in the subfamily Anentominae of the family Nassariidae. It is one of few freshwater species in this family, which is a predominately marine family.
