A truly exceptional Green River Formation specimen ✨ This plate features Atractosteus simplex (gar fish) alongside Diplomystus, preserved together in stunning detail. 📍 Eocene | 51.98 million years old 📍 Green River Formation, Wyoming 📍 In Stone Fossils – Private Quarry 🪨 Plate size: 40" x 56.5" 🐟 Gar fish: 27.5" long 🐠 Diplomystus: 16" This specimen is 100% natural with no repair or restoration. A rare and striking feature is the visible portion of the gar’s spinal column protruding throu

What a phenomenal day digging in the Green River formation, I present to you Mass mortality layer of Knightia eocaena!! | In Stone Fossils