Fantastic Finds Timeline
Adapted from Dinosaurs: The Very Latest Information and Hands-On Activities From the Museum of the Rockies, by Liza Charlesworth and Bonnie Sachatello-Sawyer. A Scholastic Professional Book.
1822
Mary Ann Mantell finds "Iguanodon" teeth in England. Her husband, Dr. Gideon Mantell publishes his description of them.
1841
Richard Owen coins the term "dinosaur."
1855
Ferdinand Hayden discovers the first dinosaur remains in the United States.
1858
The first dinosaur skeleton, "Hadrosaurus," is excavated in the United States and described by Joseph Leidy.
1890
Othniel Marsh and Edward Cope unearth 136 new species of dinosaurs in the Rocky Mountain region of the United states.
1902
Barnum Brown uncovers the first "Tyrannosaurs rex" specimen in Montana.
1909
Earl Douglass discovers the fossil-rich rocks that are now Dinosaur National Monument.
1922
Roy Chapman Andrews finds the first dinosaur eggs and nest ever uncovered, in the Gobi Desert.
1960's
John Ostrom describes "Deinonychus" as an active and agile animal and suggests that birds are related to dinosaurs.
Dinosaurs are proven to have rigid tails that did not drag on the ground.
1970's
Research of thin sections of dinosaur bones suggests warm-bloodedness.
Bob Bakker and Peter Galton suggest birds and dinosaurs should be classified together as "Dinosauria."
1980's
Jack Horner and Bob Makela determine that some dinosaurs cared for their young.
"Seismosaurus" is uncovered in New Mexico by David Gillette.
1990's
Paul Serreno discovers some of the earliest-known dinosaurs.
Dinosaur fossils are found in Antarctica.
For ordering information about this book, call 1-800-724-6527 or fax 1-800-223-4011. ISBN #0-590-49412-0.
Liza Charlesworth is a poet and the author of several books for children and teachers including 100 Awesome Writing Activities to Use With Any Book (Scholastic, 2001).
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