Perisphinctes Ammonite - Fossil Quality:Staff Pick Approximate Size of 1 Piece:

Approximate Size of 1 Piece: 11cm x 10cm x 9cm

Description: These inverted cone burrs are amazing

Description: These diamond points are all finer

Geological Age:  approximately 2

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Perisphinctes Ammonite - Fossil Quality:Staff Pick Approximate Size of 1 Piece:Mined from: Aarau, Switzerland Era: Oxfordian Geological Age: Approximately 160 to 157 mya Description: This Perisphinctes ammonite fossil from Aarau, Switzerland is a coiled relic of ancient seas, dating back to the Oxfordian Stage of the Late Jurassic Periodapproximately 160 to 157 million years ago. These extinct marine mollusks, part of the cephalopod family, once thrived in the warm, shallow seas that covered much of Europe during the Mesozoic