2.2" Thamnopora SP Coral Fossil Coral Reef Devonian Age Verde Valley, Arizona

Location: Martin Formation, Verde Valley, Arizona, United States

Weight: 2.2 Ounces  

Dimensions: 2.2 Inches Long, 1.7 Inches Wide, 1.3 Inches Thick 

Devonian Age 380 Million Years Old

The item pictured is the one you will receive.

Thamnopora SP Fossil Coral

Dare to possess a relic from nature's boldest experiment in reef construction. The Devonian period—410 million years ago—unleashed corals into the oceans with audacious force, spawning the planet's first monumental reef systems. These fearless underwater pioneers included stromatoporoids that engineered reef foundations, tabulate corals that dared branch into myriad sculptural forms, rugose corals with their striking horn-like silhouettes, and vibrant coralline algae ancestors that blazed color across ancient seabeds. As the era intensified, scleractinian corals emerged—the very architects of today's thriving reefs. Yet ambition met catastrophe. By 350 million years ago, corals vanished in a dramatic extinction event, likely triggered by violent sea-level swings and a precipitous atmospheric carbon dioxide collapse. Hold this extraordinary fossil and embrace the untamed story of life's most daring ventures and devastating defeats.