MolluscaBase name details
original description
Emerson, W. K. & Piech, B. J. (1992). Remarks on <i>Distorsio constricta</i> (Broderip, 1833) and related species in the eastern Pacific Ocean, with the description of a new species (Gastropoda: Personidae). <em>The Veliger.</em> 35(2): 105-116., available online at https://www.biodiversitylibrary.org/page/42467171
page(s): 111, figs 5-8, 16-18, 24 [details]