Collignoniceras Breistroffer, 1947 (Ammonoidea): granted priority under the plenary powers over Selwynoceras Warren &Stelk, 1940
International Commission on Zoological Nomenclature
Article
1968
The Bulletin of zoological nomenclature
25
96--97
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/1677