Cite
MLA Citation
Steven Byrum and Bruce S. Lieberman. “Phylogeny and biogeography of some Cretaceous spatangoid echinoids with special emphasis on taxa from the Western Interior Seaway.” Journal of paleontology, vol. 95, 2021, pp. 613–623. http://access.bl.uk/ark:/81055/vdc_100127345572.0x000060