Opinion 685 Ammonites laevigata Lamarck, 1822 (Cephalopoda): suppressed under the Plenary Powers ; together with the validation of two nominal species Named ammonites Laevigatus by J. de C. Sowerby, 1827

Published in Bulletin of Zoological Nomenclature, in 1963, in volume 20, pages 421-422

Date published:1963