Direction 22 Addition to the Official List of Specific Names in Zoology of (a) the specific names of fifty-seven species, each of which is the type species of a genus in the class Mammalia, the name of which was placed on the Official List of Generic Names in Zoology in the period up to the end of 1936, and (B) of the specific names of two species belonging to the same class, each of which is currently regarded as the oldest available name for the type species of a genus, the name of which was placed on the Official List in the same period
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1955, in volume 1C, issue C13, pages 179-200
Date published:1955-11-04