APPENDIX 2.
Botanical affinity of Angiosperm pollen grains described from the Cuayuca Formation. Total number of genera (No. G) and species (spp.) reported currently in the Balsas River Basin region taken from Fernández-Nava et al. (1998).
Mortoniodendron (Graham, 1979) or Fremontodendron (Sterculiaceae) |
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