Opinion 310 Validation, under the Plenary Powers, of the specific name virgula Deshayes, 1831, as published in the combination Gryphaea Virgula (class Pelecypodar (Jurassic)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1954, in volume 8, issue 27, pages 355-364
Date published:1954-12-17