| link
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From
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To
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Geolocation
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Author - title
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Year
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|---|---|---|---|---|---|
| details | Oxfordian | Early Cretaceous | Canada(British Columbia) | Ziegler,W.H. et al. The Minnes Formation. | 1960 |
| details | Cenomanian | Coniacian | Wyoming | Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. | 1959 |
| details | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 | 1958 |