3 treff

Eocene faunas from the Department of Bolivar, Colombia
By Bruce L. Clark, J. Wyatt Durham
Bok Engelsk 1946
Radiolaria from the Kreyenhagen formation near Los Banos, California
Bruce L. Clark, Arthur S. Campbell
Bok Engelsk 1945
Eocene radiolarian faunas from the Mt Diablo area, California
Campbell, Arthur Shackelton
Bok Engelsk 1942