Cut and Polished Ammonite Perisphinctes Specimen 2 Accessories These are sometimes mistaken for

These are sometimes mistaken for "petoskey stones" found in Michigan though these are slightly different genus of coral

enhances perception and analytical abilities

and keep evil spirits at bay

A must-have for any geologist in the field

Cut and Polished Ammonite Perisphinctes Specimen 2 Accessories These are sometimes mistaken for11x1" Tulear 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