MolluscaBase name details
original description
(of Columbella gradata Guppy, 1866 †) Guppy, R. J. L. (1866). On the Tertiary Mollusca of Jamaica. <em>The Quarterly Journal of the Geological Society of London.</em> 22: 281-295, pls. 16-18., available online at https://www.biodiversitylibrary.org/page/36164710
page(s): 288-289, pl. 16, fig. 10 [details]
basis of record
Gabb, W. M. (1873). On the topography and geology of Santo Domingo. <em>Transactions of the American Philosophical Society, new series.</em> 15: 49-259, 2 maps., available online at https://www.biodiversitylibrary.org/page/46059253
page(s): 221 [details]