| 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 | Valanginian | Aptian | Canada(British Columbia) | Stott,D.F. Lower Cretaceous Bullhead and Fort St.John Groups, between Smoky and Peace Rivers, Rocky Mountain Foothills, Alberta and Britsh Columbia. | 1968 |
| details | Wealden | Belgium | Delcourt,A.F. et al. Some microfossils from the Wealdian of Feron-Glageon. | 1957 |