Normapolles is an extinct morphogenus of Late Cretaceous (99.6–65.5 Ma) pollen grain. North America`s southern animal biome approximately correspond with the Normapolles palynofloral province. ...
(from the article `Fagales`) Since the pollen of Fagaceae and Betulaceae show a marked similarity to the pollen of Normapolles from the Cretaceous Period (144 to 66.4 million ...