Abstract
The new names Limopsis gisbornensis and Conilithes wollastoni are proposed for Limopsis retifera Marwick, 1931 (not L. retifera Semper, 1861) and Conus ornatus Hutton, 1873 (not C. ornatus Michelotti, 1847) respectively. The taxon Cardilona Marwick, 1943 is considered to be a synonym of Pecchiolia Savi & Meneghini, 1850; and is transferred from the Cardiliidae to the Verticordiidae. Longimactra Finlay, 1928 (Mactridae) is synonymised with Pseudoxyperas Sacco, 1901, and Claraxis Iredale, 1936 (Architectonicidae) with Granosolarium Sacco, 1892. Galeodea wylliei Marwick, 1931 is transferred to Galeoocorys, here considered to be a subgenus of Galeodea, and evidence is presented for retaining Eudolium aoteanum Beu, 1970 in Eudolium rather than transferring it to Galeoocorys, as has been suggested by Cernohorsky. Titanocardium n. subgen. is erected for Hedecardium cantuariense (Laws, 1933) and related cardiids. The following new species are described — Dimya westonensis, Hedecardium (Titanocardium) marwicki, Trachycardium (Regozara) delectabile, Oxyperas (Pseudoxyperas) exensis, Proxichione darraghi, P. otiakensis, Clavagella oamarutica Perotrochus masoni, Liotina turua, Cirsotrema gagei, Columbarium pataka, Ancillina kakano, and A. wellmani.

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