| Demoulia | |
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| Two shells of Demoulia abbreviata (museum specimens at Naturalis Biodiversity Center) | |
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| Genus: | Demoulia Gray, 1838 |
| Type species | |
| Buccinum retusumLamarck, 1822 | |
| Synonyms [1] | |
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Demoulia is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks. [1]
The ovate-globose shell is covered with a downy epidermis. The spire is short, conical with a papillary apex. The whorls are depressed. The aperture is ovate. The inner lip is thickened, with a ridge posteriorly. The outer lip is contracted, thickened externally and plicated internally. [2]
Species within the genus Demoulia include:
The Cassidae are a taxonomic family of medium-sized, large, and sometimes very large sea snails commonly called helmet snails or bonnet snails. These are marine gastropod mollusks in the superfamily Tonnoidea and the clade Littorinimorpha.
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.
Bursa is a genus of large sea snails, marine gastropod molluscs in the family Bursidae, the frog snails or frog shells.
Turbinella is a genus of very large sea snails with an operculum, marine gastropod mollusks in the subfamily Turbinellinae of the family Turbinellidae.
Ficus is a genus of large sea snails, marine gastropod mollusks in the family Ficidae, the fig shells.
Pyramidella is a genus of minute to medium-sized sea snails, marine gastropod mollusk in the subfamily Pyramidellinae of the family Pyramidellidae, the pyrams and their allies.
Nassaria is a genus of sea snails, marine gastropod mollusks in the subfamily Tomliniinae of the family Nassariidae.
Demoulia obtusata, common name : the obtuse demoulia, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Tritia cuvierii, common name the one-banded nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Cyllene is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the nassa mud snails or dog whelks.
Bullia is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.
Drupa is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails. It occurs in the Indo-Pacific.
Nassa is a genus of sea snails, marine gastropod mollusks in the subfamily Rapaninae of the family Muricidae, the murex snails or rock snails.
Ancilla, common name the ancillas, is a genus of sea snails, marine gastropod mollusks in the family Ancillariidae.
Eburna is a genus of sea snails, marine gastropod mollusks in the family Ancillariidae.
Monodonta is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Nassarius pyrrhus, common name the red-banded nassa, is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa mud snails or dog whelks.
Demoulia abbreviata, common name : the obtuse demoulia, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Demoulia ventricosa, common name : the blunt demoulia, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
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.
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