Example image of eyePlorer eyePlorer map for 'Elmer S. Riggs': 1869 1963 Chicago Field Museum of Natural History Illinois January 23 March 25 Paleontology United States Indiana Kansas Trafalgar, Indiana American Museum of Natural History University of Kansas Colorado Morrison Formation Wyoming Brachiosaurus Dinosaur Fruita, Colorado Sauropoda Brachiosauridae Robert T. Bakker South America Argentina Marsupial Pliocene Thylacosmilus Sedan, Kansas Apatosaurus Riggs List of zoologists by author abbreviation
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