Ulmoideipites sp. Leff.,1970
- Citations total:
- 1
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| original | Early Maestrichtian | Colorado | Newman,K.R. Biostratigraphic correlation of Cretaceous-Tertiary Boundary Rio Colorado to San Juan Basin, New Mexico. (In: The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado. J.E. Fassett and J.K.Rigby, editors) | 1987 |