Author:
Bradley,W.H.
Year:
1931
Title:
Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah.
Reference:
Bradley,W.H. (1931) Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. United States Geological Survey, Professional Paper # 168 P. 1- 58
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Genus Species Country(Region) From To
Leptosphaera Leptosphaera sp Colorado Middle Eocene
Pinus Pinus sp Colorado Middle Eocene
Thuja Thuja sp Colorado Middle Eocene
Quercus Quercus sp Colorado Middle Eocene
Umbelliferae Umbelliferae sp Colorado Middle Eocene
Magnolia Magnolia sp Colorado Middle Eocene
Malvaceae Malvaceae sp Colorado Middle Eocene
Citrus Citrus sp Colorado Middle Eocene
Pestalozzia Pestalozzia sp Colorado Middle Eocene
Betula Betula sp Colorado Middle Eocene
Corylus Corylus sp Colorado Middle Eocene
Ostrya Ostrya carpinifolia Colorado Middle Eocene
Myriophyllum Myriophyllum spicatum Colorado Middle Eocene
Septonema Septonema sp Colorado Middle Eocene
Phacus Phacus caudata Colorado Middle Eocene
Eoglobella Eoglobella Colorado Middle Eocene
Eoglobella Eoglobella longipes Colorado Eocene