@book{bhlpg10646629, title = {Bulletins of American paleontology }, volume = {v.42:no.193 (1962:Mar.)}, url = {https://www.biodiversitylibrary.org/page/10646629}, publisher = {Paleontological Research Institution [etc.]}, author = {Columbia University. College of Pharmacy. }, year = {1962}, pages = {Page 399}, }