Author:
Srivastava,S.K.
Year:
1978
Title:
Cretaceous spore-pollen floras
Reference:
Srivastava,S.K. (1978) Cretaceous spore-pollen floras Biological Memoirs Vol. 3 # 1 P. 1- 130
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Genus Species Country(Region) From To
Azolla Azolla Antarctica Maastrichtian
Azolla Azolla Canada(Alberta) Maastrichtian Paleocene
Azolla Azolla Colorado Late Cretaceous Early Tertiary
Azolla Azolla Wyoming Late Cretaceous Early Tertiary
Azolla Azolla Nd Campanian
Azolla Azolla barbata Montana Maastrichtian
Azolla Azolla circinata Montana Maastrichtian
Azolla Azolla circinata Nd Nd
Azolla Azolla cretacea Montana Maastrichtian
Azolla Azolla distincta Montana Maastrichtian
Azolla Azolla gigantea North Dakota Maastrichtian
Azolla Azolla hamata Canada(Alberta) Maastrichtian
Azolla Azolla massula Chile Late Cretaceous
Azolla Azolla montana Montana Maastrichtian
Azolla Azolla polyancyra Chile Late Cretaceous
Azolla Azolla sagittifera Canada(Alberta) Maastrichtian
Azolla Azolla simplex Montana Campanian