Direction 68 Addition to the Official List of Generic Names in Zoology of the generic name Pelecanus Linnaeus, 1758 (class Aves) (Direction supplementary to Opinion 16)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1957, in volume 1E, issue E.8, pages 129-136
Date published:1957-07-24