@book{bhlitem266404, title = {Smithsonian contributions to paleobiology }, volume = {no.59 (1986)}, copyright = {In copyright. Digitized with the permission of the rights holder.}, url = {https://www.biodiversitylibrary.org/item/266404}, note = {https://www.biodiversitylibrary.org/bibliography/132606}, publisher = {Washington, Smithsonian Institution Press, 1969-}, author = {Smithsonian Institution}, year = {1986}, pages = {64}, keywords = {Paleobiology|}, }