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FO505 Geisonoceras

FO505 Geisonoceras

$120.00

This is a very nice fossil specimen of a natural Geisonoceras fossil from Morocco.  This awesome fossil measures nearly 8″ x 6 1/2″ x nearly 1 3/4″ and weighs over 3 3/4 lbs.  The fossil has great detail showing a distinctive zigzag pattern in the sutures that mark the growing of the external shell. The specimen is all natural and not fully removed from the matrix as shown in the linked pictures below.

In stock

Description

These Moroccan fossils are among the oldest cephalopods.  They were abundant during the Paleozoic era some 350 MM years ago and now make up the Atlas Mountain range of central Morocco. There were two Nautiloid forms present in the Moroccan Devonian sea.  The Goniatites is an extinct relative of the Ammonites,  it possessed an external shell, which is has a spiral form with internal chambers. The Orthoceras was straight shelled cephalopod with the internal chambers. They were related to the modern day chambered nautilus and the squid.

 

Additional information

Weight 4.25 lbs
Dimensions 5 × 5 × 5 in

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