MolluscaBase taxon details
original description
Conrad, T. A. (1841). Description of twenty-six new species of Fossil shells, discovered by him in the Medial Tertiary deposits of Calvert Cliffs, Maryland. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 1(3): 28-35., available online at https://www.biodiversitylibrary.org/page/1779130
page(s): p. 32. [details]
additional source
Allison, R. C. & Adegoke, O. S. (1969). The <i>Turritella rina</i> group (Gastropoda) and its relationship to <i>Torcula</i> Gray. <em>Journal of Paleontology.</em> Volume 43, pp.1248-1266, pls 147-148, 2 text figs [September, 1969]. [details]