Abstract
A new pleurotomariid Mellarium gen. nov. occurs in the Anisian (Middle Triassic) of the Southland Syncline. Superficially the new genus is similar to Shansielia Yin, a late Paleozoic gastropod. Two new species of Mellarium are described, M. mutchi, from lower Etalian greywacke, and underlying breccias, and M. nodulosum, from the upper Etalian. A crushed gastropod from the upper Countess Formation of the Eglinton Valley is possibly conspecific with M. mutchi

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