basis of record
Engl, W. (2012). <i>Shells of Antarctica</i>. Hackenheim: Conchbooks. 402 pp. [details]
additional source
Boury-Esnault, N., G. Bellan, D. Bellan-Santini, C.F. Boudouresque, P.Chevaldonné, A. Dias, D. Faget, J.G. Harmelin, M. Harmelin-Vivien, C. Lejeusne, T. Pérez, J. Vacelet, M. Verlaque. (2023). The Station Marine d'Endoume, Marseille: 150 years of natural history. <em>Zootaxa.</em> 5249(2): 213-252. (look up in IMIS), available online at https://doi.org/10.11646/zootaxa.5249.2.3 [details] Available for editors 
additional source
Griffiths, H.J.; Linse, K.; Crame, J.A. (2003). SOMBASE - Southern Ocean mollusc database: a tool for biogeographic analysis in diversity and evolution. <em>Organisms Diversity and Evolution.</em> 3: 207-213., available online at https://www.bas.ac.uk/data/our-data/publication/sombase-southern-ocean-mollusc-database-a-tool-for-biogeographic/ [details]
From editor or global species database