Published January 8, 1957 | Version v1

Opinion 437 Validation under the Plenary Powers of the generic name Pachyceras Bayle, 1878 (class Cephalopoda, order Ammonoidea) by the suppression of the name Pachyceras Ratzeburg, 1844 (class Insecta, order Hymenoptera)

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DOI
10.5962/p.149445
LSID
urn:lsid:biodiversitylibrary.org:part:149445