Semicassis thomsoni

{{Short description|Species of gastropod}} {{Speciesbox | image = Naturalis Biodiversity Center - RMNH.MOL.191722 - Semicassis thomsoni (Brazier, 1875) - Cassidae - Mollusc shell.jpeg | image_caption = | taxon = Semicassis thomsoni | authority = (Brazier, 1875) |synonyms_ref= |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 |display_parents= 3 }}

'''''Semicassis thomsoni''''' is a species of large predatory sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells and their allies.<ref name="WoRMS">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</ref>

==Distribution== This marine species occurs in New Zealand.<ref>Powell A. W. B. (1979). William Collins Publishers Ltd, Auckland {{ISBN|0-00-216906-1}}.</ref> and in the Australian part of the Tasman Sea.

==References== {{Reflist}} * 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== {{Commons category}} * [https://www.biodiversitylibrary.org/page/3339917 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]

Category:Cassidae Category:Gastropods described in 1875 Category:Taxa named by John Brazier