An adianthine litoptern from the Deseado formation of Patagonia / by Bryan Patterson --. Results of the Marshall Field paleontological expeditions to Argentina and Bolivia, 1922-27.
Field Museum of Natural History ,
"December 31, 1940."
Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Mus
Captain Marshall Field paleontological expeditions
QE1 .F4 vol. 8, no. 2
Publication (Field Museum of Natural History : 1909) ; 486
Publication (Field Museum of Natural History : 1909). Geological series ; v. 8, no. 2