XL 7.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana MEa Low oxygen levels and unusual

Low oxygen levels and unusual water chemistry reduced decay and limited scavenger activity

unlike the lateral shells of mollusks

has also been discovered to be a junior synonym of Thescelosaurus

they were nature's most audacious statement of power

Remains of partial Poebrotherium carcasses have been found fossilized and appear to have been killed and cached by Archaeotherium

XL 7.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana MEa Low oxygen levels and unusualLocation: Speed Quarry, Clark County, Indiana Weight: 12. 6 Ounces Dimensions: 7. 3 Inches Long, 4 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,