Cut and Polished Ammonite Perisphinctes Size:7-8" Anoxic Conditions: Pyritization typically occurs

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

Chase Brown

length and flexibility

With its symbol of protection

succulents whose poisonous sap is used by hunters to fell large game in Angola

Cut and Polished Ammonite Perisphinctes Size:7-8" Anoxic Conditions: Pyritization typically occursTulear 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