Title
Opinion 538 Designation under the Plenary Powers of a type species in harmony with accustomed usage for the nominal genus Ptychopyge Angelin, 1854 (Class Trilobita)
Date of Publication
1959-02-21
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/146453
Rights Status
In copyright. Digitized with the permission of the rights holder.
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