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Sea Urchin Authentic Specimen  

Sea Urchin Authentic Specimen

Sea Urchin Authentic SpecimenSea Urchin are Echinoderms whose body is contained in a shell made up of numerous plates of the same shape. They appeared during the Ordovician period, about 500 million years ago, and are still present in seas all ove r he world. The star shaped patterns on the shell surface are due to many small holes from which projeced defensive spines to various shapes and sizes. Sea urchins are useful paleo-ecological indicators because by studying their shapes it is possible to trace back and identify the environment in which they lived.
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Sea Urchin Authentic Specimen

Item# 3340472     Our Price: $ 8.95
             
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Sea Urchin Authentic Specimen
Sea Urchin Authentic Specimen  
Item# 3340472
Our Price: $ 8.95
  Qty:
  In Stock

 

Description & Details
Sea Urchin Authentic SpecimenSea Urchin are Echinoderms whose body is contained in a shell made up of numerous plates of the same shape. They appeared during the Ordovician period, about 500 million years ago, and are still present in seas all ove r he world. The star shaped patterns on the shell surface are due to many small holes from which projeced defensive spines to various shapes and sizes. Sea urchins are useful paleo-ecological indicators because by studying their shapes it is possible to trace back and identify the environment in which they lived.
  To See More   STONES.