IL Fossils

Illinois Fossils

Recognize anyone??

Scientists believe this is what Illinois looked like hundreds of millions of years ago. What do you notice?

Multiple Choice

According to the map, Illinois was once covered mostly by...

• Forest

• Land

• Water

• Litter

Can you find the Silurian Period? Which Era was it in?

Multiple Choice

In which Era would you find the Silurian Period?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Multiple Choice

What material do scientists think made the claws of the giant Scorpion incredibly strong?

• Obsidian, a type of rock

• Bone

• Zinc, a type of metal

Mazon Creek is about a 30 minute drive from Joliet. Many significant fossils have been found here!

Multiple Choice

Where were trilobites found?

• Only in warm climates

• Only in very cold climates

• EVERYWHERE!!

Open Ended

Write 1 fact that you found interesting about trilobites.

Crickets today are about 3/4 of an inch in length. These were over 2 inches!

A modern day ancestor of the GIANT cricket! This one is from Brazil.

The IL State Fossil - Tullimonstrum gregarium, aka "The Tully Monster"!

Open Ended

Write 1 fact that you found interesting about the Tully Monster.