Direction 40 Determination of the gender to be attributed to the names of fifty-five genera of the Phylum Arthropoda, exclusive of genera of Decapod Crustacea, placed on the Official List of Generic Names in Zoology in the period up to the end of 1936
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1956, in volume 1D, issue D.5, pages 139-152
Date published:1956-09-17