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Lejeunia ampla
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General
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Stratigraphy
Description
Literature
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Year
Author
Title
1990
Harker, S.D., Sarjeant, W.A.S. and Caldwell, W.G.E.
Late Cretaceous (Campanian) organic-walled micro- plankton from the interior plains of Canada, Wyo- ming and Texas: biostratigraphy, palaeontology and palaeoenvironmental interpretation.
1973
Harland, R.
Dinoflagellate cysts and acritarchs from the Bearpaw Formation (Upper Campanian) of southern Alberta, Canada
1976
Lentin, J.K. and Williams, G.L.
A monograph of fossil peridinioid dinoflagellate cysts
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