Bulk maceration and sieving of terrestrial and marginal marine sediments from the Dakota Formation (Cretaceous, Cenomanian) of Kansas yielded a diverse assemblage of dispersed plant fossils, including ...
Annals of Botany, New Series, Vol. 17, No. 66 (April, 1953), pp. 263-293 (32 pages) This paper is an account of the megaspores borne by four species of Carboniferous Lycopod cones, referred to the ...
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