Direction 42 Determination of the gender to be attributed to the names of seventy-eight genera of various classes of Invertebrates and of six genera of the class Urochorda 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.6, pages 153-170
Date published:1956-09-17