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Semicassis thomsoni
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Tonnoidea
Family:	Cassidae
Genus:	Semicassis
Species:	S. thomsoni
Binomial name
Semicassis thomsoni (Brazier, 1875)
Synonyms
Cassis (Casmaria) thomsoni Brazier, 1876 (basionym) Cassis thomsoni Brazier, 1876 (original combination) Semicassis (Semicassis) thomsoni (Brazier, 1876) · alternate representation Phalium (Xenogalea) thomsoni (Brazier, 1876) Xenogalea thomsoni (Brazier, 1876) Xenogalea thomsoni palinodia Iredale, 1931

Semicassis thomsoni is a species of large predatory sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies.

Distribution

This marine species occurs in New Zealand. and in the Australian part of the Tasman Sea.

References

1. MolluscaBase eds. (2022). MolluscaBase. Semicassis thomsoni (Brazier, 1876). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=591489 on 2022-05-21
2. Powell A. W. B. (1979). William Collins Publishers Ltd, Auckland ISBN 0-00-216906-1.

• Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. pp 196–219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.

External links

• Brazier, J. (1876). Fourteen new species of terrestrial, fluvatile, and marine shells from Australia and the Solomon Islands. Proceedings of the Linnean Society of New South Wales. 1 (1): 1-9

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