Specific name <i>turtoni</i> introduced in a footnote of the paper signed "Editors" (i.e. Thomas Bell, John George Children, James De Carle Sowerby and G. B. Sowerby I); the name is usually attributed to G.B. Sowerby I. There are several papers addressing this question and a comprehensive discussion in R.E. Petit (2009: <i>Zootaxa</i>, 2189: 197) who is followed here.