MolluscaBase taxon details
original description
(of Littorina porcata R. A. Philippi, 1846) Philippi, R. A. (1846). Descriptions of a new species of <i>Trochus</i>, and of eighteen new species of <i>Littorina</i>, in the collection of H. Cuming, Esq. <em>Proceedings of the Zoological Society of London.</em> 13 ("1845"): 138-143., available online at https://www.biodiversitylibrary.org/page/12862634
page(s): 139 [details]
original description
(of Peasiella roosevelti Bartsch & Rehder, 1939) Bartsch, P. & Rehder, H. A. (1939). Mollusks collected on the Presidential cruise of 1938. <em>Smithsonian Miscellaneous Collections.</em> 98(10): 1-18, pls 1-5., available online at https://www.biodiversitylibrary.org/page/8824141 [details]
basis of record
Reid, D. G. (1989). The comparative morphology, phylogeny and evolution of the gastropod family Littorinidae. <em>Philosophical Transactions of the Royal Society B.</em> 324: 1-110., available online at https://royalsocietypublishing.org/doi/pdf/10.1098/rstb.1989.0040 [details]
additional source
Williams S.T. & Reid D.G. (2004). Speciation and diversity on tropical rocky shores: a global phylogeny of snails of the genus <i>Echinolittorina</i>. <i>Evolution 58(10)</i>: 2227–2251 [details]