Mazon Creek ANNULARIA leaf

$10.00

1 in stock

Description

Annularia is the name given to the leaves of the fossil plants called Calamites. These were primitive “Horsetails” that could grow to over 32 feet tall and resemble trees. They thrived in hot and humid areas much the same as jungles today. These fossils are commonly found in waste dumps of coal mining areas.

They are from the Mississippian period when plants seemed to take over the world and grew in many varied shapes and sizes.

This specimen is 3/4 round in an roughly round ironstone nodule 2 by 2 1/2 inches.

ANNULARIA
Mississippian Period
Francis Creek Shale
Mazon Creek
Braceville, Illinois

This is the specimen you will receive.

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