Crinoid Fossil Plate - 1.746" shergottite Among its many missions

Among its many missions

the common scientific consensus was that the Carcharodons descended from the ancient megatoothed sharks

The dark branching patterns within the quartz of this pendant are a beautiful example of geochemistry—as fascinating as they are beautiful

Challenger LRSI Tile Fragment

The "duck bills" these dinosaurs are known for were not actually beaks but hundreds of small teeth

Crinoid Fossil Plate - 1.746" shergottite Among its many missionsCrinoids are an incredible group of aquatic animals that attach themselves to the seafloor and filter feeds with beautiful feathered arms. These creatures are echinoids, an ancient and varied group of life. Crinoids emerged in the fossil record over 541,000,000 years ago and some species still exist to this day. This specimen is a 1. 746" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone