Opinion 324: Addition to the Official List of Generic Names in Zoology of the Names of Twenty-one Nominal Genera of Ammonites (Class Cephalopoda, Order Ammonoidea) and Matters Incidental thereto

London International Commission On Zoological Nomenclature
Opinions and Declarations Rendered by the International Commission on Zoological Nomenclature, Volume 9, pp. 227-250
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