Opinion 271 Addition to the Official List of Generic Names in Zoology of the generic names Equus Linnaeus, 1758 (class Mammalia) and Aica Linnaeus, 1758 (class Aves) (Opinion supplementary to Opinion 16)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 3, pages 41-50
Date published:1954-09-10