Index fossils of North America : a new work bassed on the complete revision and reillustration of Grabau and Shimer's "North American index fossils" /

Autor Shimer, Hervey W., Shrock, Robert R. 1904-1993
Vydáno 1944

Phylogenetic systematics of the North American fossil Caninae (Carnivora, Canidae) /

Autor Tedford, Richard H., 1929-2011, Wang, Xiaoming, 1957-, Taylor, Beryl E.
Vydáno 2009