Long before dinosaurs existed, bug-like trilobites lived in the seas that once covered Wisconsin. They were some of the first animals to have complex eyes.
Only a few ammonite fossils have been discovered in Wisconsin. They were found among rubble that glaciers carried into the state during the Ice Age.
This empty jar contains all the dinosaur fossils ever found in Wisconsin. Sadly, our state has almost no rocks from the Age of Dinosaurs.
Fast Facts – Dinosaur Fossils from Wisconsin
VAN HISE MICROSCOPE
Charles Van Hise was the first person to earn a PhD from the University of Wisconsin and his degree was in geology. This is the small microscope he studied rocks with when exploring outdoors.
This cluster of cubes represents the mineral galena which is the number one source of lead. Southwestern Wisconsin was once home to hundreds of mines loaded with galena.
Back when Wisconsin was submerged beneath a tropical sea, the largest animals around were squid-like nautiloids. Some species had straight, cone-shaped shells that were up to twenty feet long.
Honey bees help many Wisconsin crops reproduce including apples, cranberries and pumpkins. These hard-working insects spread pollen as they gather nectar from flowers.
When the highway by Treinen Farm was widened, stone tools like this spear point were discovered on the property during an archaeological survey.
Butterfly wings and trilobite armor are both made of a hardened protein called chitin. In trilobites, the chitin was reinforced with the mineral calcite.