title: Paleontology. Dinosaurs dined on grass.
authors.affiliation: National Museum of Natural History, Washington, DC 20560, USA. pipernod@si.edu
authors.forename: Dolores R
authors.initials: DR
authors.lastname: Piperno
authors.forename: Hans-Dieter
authors.initials: HD
authors.lastname: Sues
mesh_terms: D000818:Animals; D005075:Biological Evolution; D025061:Dinosaurs / Q000502:physiology*; D005247:Feeding Behavior; D006109:Poaceae / Q000737:chemistry; D012822:Silicon Dioxide / Q000737:chemistry
chemical_list: D012822:Silicon Dioxide