Bonaparte, J. F., and Powell, J. E., 1980, A continental assemblage of tetrapods
from the Upper Cretaceous beds of El Brete, northwest Argentina: Mem. Soc.
Geol. Fr., v. 139, p. 19-28.
Coope, G. R., 1975, Climatic Fluctuations in Northwest Europe Since the Last
Interglacial, Indicated by Fossil Assemblages of Coleoptera, in Wright,
A. E., and Moseley, F., eds., Ice Ages: Ancient and Modern, 6 of
Geological Journal Special Issue: p. 153-168.
Osmolska, H., 1980, The Late Cretaceous vertebrate assemblages of the Gobi
Desert, Mongolia: Memoirs of the Geological Society of France, v. 139, p.
145-150.
