| Phrontis alba | |
|---|---|
| | |
| Phrontis alba shell | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Nassariidae |
| Genus: | Phrontis |
| Species: | P. alba |
| Binomial name | |
| Phrontis alba (Say, 1826) | |
| Synonyms [1] | |
| |
Phrontis alba, common name the variable dog whelk, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks. [1]
The variety Nassarius albus var. nanusNowell-Usticke, 1959 is a synonym of Phrontis karinae Nowell-Usticke, 1971
The length of the shell varies between 6 mm and 13 mm.
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This species occurs in the Gulf of Mexico, the Caribbean Sea, the Lesser Antilles; in the Atlantic Ocean from North Carolina, USA to Brazil.
Nassarius tiarula, common name the western mud nassa, is a species of small sea snail with gills and an operculum, a marine gastropod mollusk in the family Nassariidae, the nassa mud snails or dog whelks.
Nassarius acutus, common name the sharp nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Phrontis antillara, common name the Antilles nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius castus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius consensus, common name the striate nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius irus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius delicatus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius elatus is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius johni is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Phrontis karinae is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius lima, common name the clathrate nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Tritia ovoidea is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius pachychilus, the Angolan nassa, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius paucicostatus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the nassa mud snails or dog whelks.
Phrontis polygonata is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius scissuratus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius micans is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.

Phrontis vibex, common name the bruised nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Nassarius idyllius is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the nassa mud snails (USA) or dog whelks (UK).

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