The graptolite species Graptolithus nilssoni Barrande, 1850: proposal to use the plenary powers to dessignate a neotype. Z.N. (S.) 1934
Palmer, D
Article
1971
The Bulletin of zoological nomenclature
28
94--99
BioStor
London International Trust for Zoological Nomenclature
BioStor: https://biostor.org/reference/1473 DOI: https://doi.org/10.5962/bhl.part.6102