Fantastic Finds Timeline

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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).

Cretaceous Period
Discusses the dinosaurs that lived during the Cretaceous Period, as well as the geological events that took place preceding that time.

Dinosaur Evolution
Are any animals of today related to dinosaurs? Scientists answer students' questions.

Dinosaur Books
How accurate are depictions of dinosaurs in books and movies? Scientists answer students' questions.

LESSON PLAN	If You Meet a Dinosaur Book (Adapted from If You Meet a Dragon by Joy Cowley) Allow students to engage in dramatic play and make their own books in this lesson on dinosaurs.
UNIT PLAN	Clifford Learns About Dinosaurs and So Do We! (This is also the caption on my bulletin board) Introduce your class to a comprehensive view of dinosaurs, including what they ate and how they lived, with this lesson unit incorporating science...
ONLINE ACTIVITY	Science Explorations Choose an exploration from animal adaptation to space and then go on an adventure hosted by a scientist to learn more through educational games.
BOOK INFORMATION	Digging Up Tyrannosaurus Rex In the fall of 1988, a Montana rancher happened upon the first arm bone of a Tyrannosaurus Rex ever found. Buried with it in the Montana sandstone was the most complete tyrannosaur skeleton yet discovered. Jack Horner describes how he and his team worked together to excavate this unique fossil and what their discoveries revealed about the life and appearance of the most fearsome of the dinosaurs.