Direction 66 Completion and in certain Cases correction of entries relating to the names of genera belonging to the Phylum Arthropoda, the names of which Were placed on the Official List of Generic Names in Zoology in the period up to the end of 1936, other than entries relating to the names of genera belonging to the class Insecta and to the order Decapoda of the class Crustacea
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1957, in volume 1E, pages 85-110
Date published:1957-07-24