Fossil Sand Dollar, Sea Urchin, Digging Dollar, Pliocene Primeval invertebrate Echinoid animal. These tiny critters would scoop their way into the sand hence digging dollars. Heliophora orbiculus, in museum display box
Dimensions (millimeters): 30 x 30 x 5
Dimensions (inches): 1.2 x 1.2 x .2
Origins: from the Pliocene of Dhakla, West Sahara, Morocco
Pliocene Epoch: 5.3 to 2.6 million years ago
Housed in small acrylic museum display box. Sand Dollars are members of the echinoid family of animals. This is a natural stone fossil. At a recent gem show someone asked if these had been carved - no, they haven't, that is how the animal looked in life. It is a special adaptation for digging. Y
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