Direction 41 Addition to the Official List of family- group names in Zoology or, as the case may be, to the Official Index of Rejected and Invalid family-group names in Zoology of the family-group names Involved in volume 11 of the Opinions and Declarations rendered by the International Commission on Zoological nomenclature, other than family-group names already dealt with in those Opinions
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1956, in volume 11, issue 30, pages 431-452
Date published:1956-05-17