original description
Couthouy, J. P. (1839). Monograph on the family Osteodesmacea of Deshayes, with remarks on two species of Patelloidea, and descriptions of new species of marine shells, a species of <i>Anculotus</i>, and one of <i>Eolis</i>. <em>Boston Journal of Natural History.</em> 2(2): 129-189., available online at http://biodiversitylibrary.org/page/32266787
page(s): 187-189; pl. 4, fig. 9 [sic, 14] [details]
basis of record
Check List of European Marine Mollusca (CLEMAM). , available online at http://www.somali.asso.fr/clemam/index.clemam.html [details]
From editor or global species database
Type locality Chelsea Beach, Massachusetts Bay [details]