Direction 12 Validation under the Plenary Powers of the generic name Astacus Fabricius, 1775 (class Crustacea, order Decapoda) (correction of an erroneous entry made in the Official List of Generic Names in Zoology by the ruling given in Opinion 104)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1955, in volume 1C, issue C.3, pages 35-56
Date published:1955-05-19