1.9" Metacanthina Issoumourensis Trilobite Fossil Devonian Age 400 Mil Yrs Old COA Cedrelospermum including Acanthoceramoporellidae (Ordovician)

including Acanthoceramoporellidae (Ordovician)

Adults could stretch up to nine meters

Equicalastrobus cones functioned like modern pine cones

these stones are primarily found in the northwestern and northeastern parts of Michigan's Lower Peninsula

Provided environmental factors were relatively stable

1.9" Metacanthina Issoumourensis Trilobite Fossil Devonian Age 400 Mil Yrs Old COA Cedrelospermum including Acanthoceramoporellidae (Ordovician)Location: Lghaft, Morocco Weight: 6. 1 Ounces Dimensions: 3 Inches Long, 2. 9 Inches Wide, 1. 1 Inches Thick (Matrix) The trilobite is: 1. 9 Inches Long, 1. 2 Inches Wide, 0. 3 Inches thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Metacanthina Issoumourensis Trilobites are a fossil group of extinct marine arthropods that form the class Trilobita. Trilobites form one of the earliest known groups of