Opinion 323 Validation and interpretation, under the Plenary Powers, of the specific name angulatus Schlotheim, 1820, as published in the combination ammonites Angulatus for the type species of the genus Schlotheimia Bayle, 1878 (class Cephalopoda, order Ammonoidea)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1955, in volume 9, issue 14, pages 209-226
Date published:1955-01-01