MolluscaBase taxon details
original description
(of Aequipecten opercularis var. sexdecimcostata Sacco, 1897 †) Sacco, F. (1897). I molluschi dei terreni terziarii del Piemonte e della Liguria. Parte XXIV. (Pectinidae). Carlo Clausen, Torino, 116 pp., 21 pl. , available online at http://www.biodiversitylibrary.org/item/47313
page(s): 15, pl. 3, figs 27-29 [details]
additional source
Teppner, W. von. (1922). Lamellibranchia Tertiaria, Anisomyaria II. <em>In C. Diener, ed., Fossilium Catalogus, I. Animalia, Pars (15). W. Junk. Berlin.</em> p. 67–296., available online at https://www.biodiversitylibrary.org/page/50675959
page(s): 167 [details]