Author:
Newman,K.R.
Year:
1987
Title:
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)
Reference:
Newman,K.R. (1987) 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) Geological Society of America, Special Paper # 209 P. 151- 164
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Genus Species Country(Region) From To
Ulmoideipites Ulmoideipites sp. Ston.,1973 sp. nov. Colorado Early Maestrichtian
Ulmoideipites Ulmoideipites sp. Tsch.,1970 sp. nov. Colorado Early Maestrichtian
Ulmoideipites Ulmoideipites tricostatus Colorado Early Paleocene
Umbosporites Umbosporites callosus Colorado Late Campanian
Vacuopollis Vacuopollis wolfcreekensis Colorado Late Campanian
Wodehouseia Wodehouseia spinata Colorado Late Maestrichtian