MolluscaBase taxon details
original description
MacNeil, F. S. (1970). New Pliocene <i>Chlamys (Swiftopecten)</i> and <i>Beringius</i> from the Alaska Peninsula. <em>The Nautilus.</em> 84(2): 69-74, figs. 1-5., available online at https://www.biodiversitylibrary.org/page/8516714
page(s): 72-74, figs 4, 5 [details]