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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.[1]
The spire is elevated and acuminate. The whorls are ribbed or nodulose. The inner lip is smooth and has an extended, thickened callus.[2]
Species within the genus Phrontis include:
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