SYSTEMATIC PALEONTOLOGY 



LOWER CRETACEOUS 



VERTEBEATA Richaed Swann Lull. 



MOLLUSCA William Bullock Clark. 



PTERIDOPHYT A Edward Wilber Beery. 



CYCADOPHYT^ Edward Wilber Berry. 



GYMNOSPERM^ Edward Wilber Berry. 



MONOCOTYLEDONS Edward Wilber Berry. 



DICOTYLEDONS Edward Wilber Berry. 



