Palynological composition of a Lower Cretaceous South American tropical sequence: Climatic implications and diversity comparisons with other latitudes
P. J. Mejia-Velazquez,
D. L. Dilcher,
C. A. Jaramillo,
L. B. Fortini, and
S. R. Manchester
2012
Article
American Journal of Botany
99:1819-1827
Find it at:
http://dx.doi.org/10.3732/ajb.1200135