Opinion 498 Validation under the Plenary Powers of the specific name tuberculatus, as published by Hall (J. W.) in 1859 in the combination Acidaspis tuberculatus, and use of the same Powers to provide an assured basis for the use of the generic name Leonaspis Richter (R.) & Richter (E.), 1917 (class Trilobita)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1957, in volume 17, issue 20, pages 361-376
Date published:1957-12-17