MolluscaBase name details
original description
(of Pecten (Plagioctenium) newsomi Arnold, 1903 †) Arnold, R. (1903). The paleontology and stratigraphy of the marine Pliocene and Pleistocene of San Pedro, California. <em>Memoirs of the California Academy of Sciences.</em> 3: 1-420., available online at https://www.biodiversitylibrary.org/page/3136160
page(s): 113, pl. 11, fig. 1, 1a [details]
source of synonymy
Coan, E. V.; Valentich-Scott, P. (2012). Bivalve seashells of tropical West America. Marine bivalve mollusks from Baja California to northern Peru. 2 vols, 1258 pp. [details]