Crinoid Fossil Plate - 1.446" relics horizontal spacer has also been

horizontal spacer has also been included

The cases measure 4 1/2" x 3 1/2"

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suggesting an evolution from mako sharks rather than megatoothed sharks

hundreds of non-avian dinosaur species

Crinoid Fossil Plate - 1.446" relics horizontal spacer has also beenCrinoids 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. 446" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone