Ammonites laevigata Lamarck, 1822 (Cephalopoda) : suppressed under the Plenary Powers ; together with the validation of two nominal species named Ammonites laevigatus by J. de C. Sowerby, 1827
International Commission on Zoological Nomenclature
Article
1963
The Bulletin of zoological nomenclature
20
421--422
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/2135
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