Xenostegium Walcott, 1924 (Trilobita): Designation of a type-species under the plenary powers
International Commission on Zoological Nomenclature
Article
1963
The Bulletin of zoological nomenclature
20
323--4
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/1952
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