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Mazon Creek Cyclus americanus Nodule #25

$45.00

  • Genuine Fossil Mazon Creek Cyclus
  • Guaranteed Authentic
  • Certificate of Authenticity Available on Request
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Description

Mazon Creek Cyclus americanus

  • Cyclus americanus
  • Pennsylvanian Age
  • Carbondale Formation
  • Near Grundy, Illinois
  • This nodule includes both halves which measures  1.31″ wide
  • MORE Mazon Creek Fossils for Sale

Cyclus was a small (~15 mm) aquatic organism that lived in the Mazon Creek 307 million years ago. The Mazon Creek was a tropical estuary with a large area of shallow water habitat. Although originally thought to be a crustacean.  But we now believe Cyclus to be more closely related to copepods.  However, they were a crustacean subclass. Copepods are of great ecological importance, providing food for many species of fish as well as other marine life.

Mazon Creek Cyclus americanus

Diagram by ESCONI

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