Title: The origin and affinities of the South American Condylarthra and early Tertiary Litopterna (Mammalia)
First published: 1983
Subjects: Paleontology, Condylarthra, Litopterna
Places: South America
Time periods: Tertiary
LC classification: QL1 .A436 no. 2772, QE882.U8 .A436 no. 2772