4.5" Mercenaria Permagna Clam Fossil Golden Calcite Crystal Rucks Pit Florida Mosasaur Tooth Its presence indicates warmer water

Its presence indicates warmer water conditions than those currently observed in these areas

but could rise on their hind limbs to feed on higher vegetation or evade predators

it does appear that the most widely accepted theory is that the crest was used to make sounds

particularly in its specular form

Through stable isotope analysis

4.5" Mercenaria Permagna Clam Fossil Golden Calcite Crystal Rucks Pit Florida Mosasaur Tooth Its presence indicates warmer waterLocation: Fort Drum, Florida, United States Weight: 8. 3 Ounces Dimensions: 4. 5 Inches Long, 3. 3 Inches Wide, 1. 9 Inches Thick The item pictured is the one you will receive. Mercanaria Clams are extinct marine bivalve mollusks that thrived during the Miocene epoch, around 20 million years ago. Part of the family Mercanariidae, these fossil clams are most commonly found in the Middle to Late Miocene sediments of the Florida platform. They are easily