Opinion 1254 Prohysteroceras Spath, 1921 and Neokentroceras Spath, 1921 (Cephalopoda, Ammonoidea): designation of type species

International Commission on Zoological Nomenclature

Published in Bulletin of Zoological Nomenclature, in 1983, in volume 40, pages 94-96

Date published:1983-07-15

BHL: 12228359
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