Request for the conservation of Rana sphenocephala Cope 1886, and the suppression of Rana utricularia Harlan, 1826 and Rana virescens Cope, 1889 (Amphibia: Salientia)
Published in Bulletin of Zoological Nomenclature, in 1977, in volume 33, pages 195-203
Date published:1977