Cut and Polished Ammonite Perisphinctes Size:7-8" Chase Brown

Chase Brown

Why are we the only animals with chins

Anoxic Conditions: Pyritization typically occurs in anoxic (oxygen-depleted) environments

but as witnesses of the civilization that created them

Cut and Polished Ammonite Perisphinctes Size:7-8" Chase BrownTulear Ammonite These specimens date back to the Mid Jurassic 150 to 160 million years ago The ammonite Perisphinctes is a genus of extinct marine cephalopods that belong to the subclass Ammonoidea. These organisms lived during the Jurassic period, approximately 150 to 160 million years ago. The genus is notable for its distinctive, coiled shell and intricate suture patterns, which provide valuable information for paleontologists studying the