The origin and affinities of the South American Condylarthra and early Tertiary Litopterna (Mammalia). American Museum novitates ; no. 2772Richard L. CifelliBiodiversity Heritage Library (Smithsonian Institution)January 1, 1983Cited by 95SaveCiteExport RISWatch citationsRelated PapersA new species of baenid turtle from the Early Cretaceous Lakota Formation of South Dakota|Fossil record|2020|23