Opinion 549 Interpretation under the Plenary Powers of the nominal species Bulla truncatula Bruguiere, [1792], and validation under the same Powers of the specific name umbilicata Montagu, 1803, as published in the com bination Bulla umbilicata (Class Gastropoda)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1959, in volume 20, issue 16, pages 175-184
Date published:1959-03-20