3.8" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Knightia in these deposits suggests intervals

in these deposits suggests intervals of favorable climatic and oceanic conditions that supported thriving Paleozoic marine ecosystems

” Unlike many lower-quality specimens from this locality

including the Permian-Triassic extinction

making it roughly a third smaller

Geological Context and Mineralization

3.8" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Knightia in these deposits suggests intervalsLocation: Speed Quarry, Clark County, Indiana Weight: 7. 5 Ounces Dimensions: 3. 8 Inches Long, 3. 8 Inches Wide, 2. 2 Inches Thick Middle Devonian Age 380 Million Years Old The item pictured is the one you will receive. Colonial Rugose Fossil Coral (Prismatophyllum Prisma) Dare to own a relic from one of nature's boldest experiments in reef formation. During the Devonian period410 million years agocorals entered the oceans with remarkable force,