In well-preserved specimens
the wood’s structure was transformed by silica-based minerals
paedomorphic body plan over geological time scales
These fish fossils suggest the area was marine during the Late Cretaceous epoch
just as the last Ice Age was coming to an end
3.9" Thamnopora SP Coral Fossil Coral Reef Devonian Age Verde Valley, Arizona Globidens Tooth In well-preserved specimensLocation: Martin Formation, Verde Valley, Arizona, United States Weight: 3. 6 Ounces Dimensions: 3. 9 Inches Long, 2. 7 Inches Wide, 1. 1 Inches Thick Devonian Age 380 Million Years Old The item pictured is the one you will receive. Thamnopora SP Fossil Coral Around 410 million years ago, during the Devonian period, corals re emerged and began building the first large reef systems. These early reefs were bustling underwater communities, primarily