COREYDAVIS

FIELD ASSIGNMENTFOSSIL LOCATION

AMMONITE

These creatures lived in the seas between 240 - 65 million years ago,

They became extinct along with the dinosaurs.

The name 'ammonite' originates from the Greek Ram-horned god called Ammon.

AMMONITE

This ammonite was found rite in the Saint Louis Area along the Mississippi River

BRACHIOPOD

Brachiopod are marine animals that are rare in today times ,but in Paleozoic Era they dominated the sea floors

There are about 300 living species of brachiopods.

They around 250 million years ago

Brachiopod have two shells not in some cases one shell is bigger than the other

Brachiopods are filtered animals they eat upon microscopic organisms and bits of organic matter.

BRACHIOPOD

This was found in the caverns in Saint Louis This fossil contains many kinds of Brachiopod

Archimedes

They are about 324 million years old and were found in Crawford County, Indiana.

Archimedes are screw like creatures Archimedes are a type Bryozoan

ARCHIMEDES

This was found in the Missouri area at a location called Goose Creek

Bryozoans

They are know as moss animals There are about 5000 species Some bryozoans are marine and some

are freshwater meaning the live in river ,lakes, or oceans

They came around during the Ordovician Period

BRYOZOANS

This fossils was found in the Missouri River

Trilobite

The name means three lobes Trilobites are a group of extinct marine

arthropods They are about 526 million years They were around about the Early

Cambrian period They shaped like a rolle polle Belong to a group of orthopoids

TRILOBITE

This fossil was found rite in the Kansas City Missouri

Bivalve

Clams and their relatives (oysters, scallops, and mussels) are often called bivalves

Bivalve were around in the early Cambrain Period

They are about 510 million years old Modern Bivalve live in freshwater and

marine waters 30,000 spieces

BIvalve

This was found in Jefferson County Missouri

Reference

The Geologist at the Saint Louis Missouri. Science Center

www.ucmp.berkeley.edu Unklesbay, A.G. The Common Fossils of

Missouri . revised edition. 1. St. Louis Mo: University of Missouri Press, 1995. 34-45. Print.