Designation of a type genus for the nominal order "Ammonoidea" Zittel, 1884, and proposed addition of that name to the "Official list of names in the Order/Class group in Zoology."
Arkell, W J
Article
1955
The Bulletin of zoological nomenclature
11
199--200
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/2381 DOI: https://doi.org/10.5962/bhl.part.2843