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