Jeffreys, J. G. (1867). Description of a new species of <i>Rissoa</i> from Madeira. <em>Annals and Magazine of Natural History.</em> (3) 19: 435., available online athttps://biodiversitylibrary.org/page/22193271 page(s): 435 [details]
original descriptionJeffreys, J. G. (1867). Description of a new species of <i>Rissoa</i> from Madeira. <em>Annals and Magazine of Natural History.</em> (3) 19: 435., available online athttps://biodiversitylibrary.org/page/22193271 page(s): 435 [details]