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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 | Early Cretaceous | Canada | Petrosyants,M.A. et al. Characteristic and correlative Gymnosperm pollen Taxa, (Late Cretaceous-Paleogene) Cheirolepidiacea pollen. Synopsis. | 1983 | |
| original | Early Cretaceous | Canada | Pocock,S.A.J. et al. The genus Classopollis Pflug,1953. | 1961 | |
| details | Middle Jurassic | Early Cretaceous | Algeria | Reyre,Y. First contribution to the study of spores and pollen of the Secondary Saharan. | 1964 |