Crinoid Fossil Plate - 2.709" romanglass they have not been well

they have not been well preserved and most have rotted away with time

This is a special youth T-shirt for a special dinosaur: the Alamosaurus

This specimen is a fragment of a knight’s sword dating to the late 13th / early 14th century CE

"Impact of a large earth-crossing asteroid would inject about 60 times the object's mass into the atmosphere as pulverized rock

4 pounds and has a maximum circumference of 19 inches

Crinoid Fossil Plate - 2.709" romanglass they have not been wellCrinoids 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 2. 709" crinoid fossil plate that dates to about 323,000,000 to 331,000,000 years old. It comes from the Bangor Limestone