Article PDF
Rights and permissions
About this article
Cite this article
British Palæozoic Fossils. Nature 203, 818 (1964). https://doi.org/10.1038/203818d0
Issue Date:
DOI: https://doi.org/10.1038/203818d0
Nature volume 203, page 818 (1964)
British Palæozoic Fossils. Nature 203, 818 (1964). https://doi.org/10.1038/203818d0
Issue Date:
DOI: https://doi.org/10.1038/203818d0