Cobbania corrugata, a Late Cretaceous  floating aquatic aroid, being inspected by Ornithomimus.(From  Stockey et al., 2007)	Paleobotany PBIO 460/560 – Fall Quarter 2007 G.W. Rothwell General Course Information and Policies Course Outline Instructors Projects and E-mail Exercises Text Book Other Instructional Materials
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