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Wilson, R. B. (1959). Wilkingia gen. nov. to replace Allorisma for a genus of Upper Palaeozoic lamellibranchs. Palaeontology. 1(4): 401-404.
Wilson, R. B. (1959). Wilkingia gen. nov. to replace Allorisma for a genus of Upper Palaeozoic lamellibranchs. Palaeontology. 1(4): 401-404.