Demoulia is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.[1]

Demoulia
Two shells of Demoulia abbreviata (museum specimens at Naturalis Biodiversity Center)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: Nassariidae
Subfamily: Nassariinae
Genus: Demoulia
Gray, 1838
Type species
Buccinum retusum Lamarck, 1822
Synonyms[1]
  • Demoulea Gray, 1847
  • Demoulinsia (incorrect subsequent spelling)
  • Desmoulea Gray, 1847
  • Desmoulinsia Woodward, 1851
  • Moulinsia Tournouer, 1874 (not available: not used as a valid name)
  • Nassa (Demoulea) [sic] (incorrect subsequent spelling of Demoulia Gray, 1838)
  • Nassa (Demoulia) Gray, 1838
  • Nassa (Desmoulea) [sic] (incorrect subsequent spelling of Demoulia Gray, 1838)
  • Streptorhega Bronn, 1856

Description

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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

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Species within the genus Demoulia include:

Species brought into synonymy
  • Demoulia kurodai Tomlin, 1932 : synonym of Nassarius sufflatus (Gould, 1860)
  • Demoulia pulchra Gray, 1838 : synonym of Demoulia obtusata (Link, 1807)
  • Demoulia retusa (Lamarck, 1822): synonym of Demoulia ventricosa (Lamarck, 1816)

References

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  • Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
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