Fossil Echini of the Panama Canal Zone and Costa Rica
Jackson, Robert Tracy, 1861-1948
Article
1917
Proceedings of the United States National Museum
53
Issue: 2218
489--501
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/79496 DOI: https://doi.org/10.5479/si.00963801.53-2218.489