Title
Opinion 557 Designation under the Plenary Powers of a type species in harmony with accustomed usage for the nominal genus Calycoceras Hyatt, 1900 (Class Cephalopoda, Order Ammonoidea)
Date of Publication
1959-04-14
Original Publication
Opinions and declarations rendered by the International Commission on Zoological Nomenclature
Published by
London, Printed by order of the International Trust for Zoological Nomenclature,
Identifiers
BioStor:
https://biostor.org/reference/146469
Rights Status
In copyright. Digitized with the permission of the rights holder.
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