original description
(of Cassis (Casmaria) thomsoni Brazier, 1876) Brazier, J. (1876). Fourteen new species of terrestrial, fluvatile, and marine shells from Australia and the Solomon Islands. <em>Proceedings of the Linnean Society of New South Wales.</em> 1 (1): 1-9., available online at https://www.biodiversitylibrary.org/page/3339917
page(s): 8 [details]
original description
(of Xenogalea thomsoni palinodia Iredale, 1931) Iredale, T. (1931). Australian molluscan notes. No I. <em>Records of the Australian Museum.</em> 18(4): 201-235, pls. 22-25. [21 June 1931]., available online at http://australianmuseum.net.au/Uploads/Journals/17196/725_complete.pdf
page(s): 215 [details]
basis of record
Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219. <em>in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> Canterbury University Press, Christchurch. [details]
From editor or global species database
From other sources