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the tail ended in a solid bone club
were all smaller than their later giant cousin
This anatomical adaptation indicates that the species captured prey swimming near the surface
Its crystal framework features a network of interconnected cages and channels that trap small molecules like water or gases
3.9" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Prognathodon Tooth the tail ended in aLocation: Speed Quarry, Clark County, Indiana Weight: 4. 1 Ounces Dimensions: 3. 9 Inches Long, 2. 8 Inches Wide, 2. 1 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,