Proposed adoption of a declaration that a generic or specific name based solely upon the aptychus of an ammonite (Class Cephalopoda, Order Ammonoidea) be excluded from availability under article 27 of the &quot;Regles&quot; and proposed suppression of ce

Arkell, W J

doi:10.5962/bhl.part.10268

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Article: Proposed adoption of a declaration that a generic or specific name based solely upon the aptychus of an ammonite (Class Cephalopoda, Order Ammonoidea) be excluded from availability under article 27 of the "Regles" and proposed suppression of ce

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Proposed adoption of a declaration that a generic or specific name based solely upon the aptychus of an ammonite (Class Cephalopoda, Order Ammonoidea) be excluded from availability under article 27 of the "Regles" and proposed suppression of ce