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Arkansas Rayonnoceras Cephalopod #4

$30.00

  • Genuine Fossil Rayonnoceras Cephalopod
  • Guaranteed Authentic
  • Certificate of Authenticity Available on Request
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1 in stock

Description

Arkansas Rayonnoceras Cephalopod

  • Rayonnoceras solidiforma
  • Mississippian Age
  • Fayetteville Shale
  • Washington County, Arkansas
  • Natural specimen is still in the matrix that measures  6″ long.
  • MORE Fossil Cephalopods for Sale

WHAT IS A RAYONNOCERAS?

Rayonnoceras is a genus of extinct cephalopods that lived around 325 million years ago during the Carboniferous.

WHAT DID THEY LOOK LIKE?

It is characterized by large straight shells with a large subcentral siphuncle composed of subglobular segments.  They grew up to 8 feet long

Arkansas Rayonnoceras Cephalopod