Opinion 277 Validation, under the Plenary Powers, of the generic name Arachnoides Leske, 1778, and Echinarachnius Gray (J. E.), 1825 (class Echinoidea), and designation, under those Powers, of type species for the genera so Named
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 6, issue 9, pages 119-134
Date published:1954