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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 | Wealden | France(Pas-de-Calais) | Delcourt,A.F. et al. A curious association of microfossils from the Wealdian of Feron-Glageon, France. | 1959 | |
| details | Wealden | Belgium | Delcourt,A.F. et al. Some microfossils from the Wealdian of Feron-Glageon. | 1957 | |
| details | Wealden | Belgium | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 | 1956 | |
| original | Wealden | Belgium | Delcourt,A.F. et al. Spores and pollen of the Wealdian of Hainaut. | 1955 |