Opinion 1434 Cyphaspis Burmeister, 1843 (Trilobita): Phacops Ceratophthalmus Goldfuss 1843, designated as type species

International Commission on Zoological Nomenclature

Published in Bulletin of Zoological Nomenclature, in 1987, in volume 44, pages 134-135

Date published:1987-06-25

BHL: 12229497
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