Urchin Spine Fossils
Sea urchins have played an essential role in the ocean’s ecosystems dating back hundreds of millions of years. Their distinct appearance includes a hard, calcified shell known as a test, covered in movable spines, providing protection and aiding in locomotion.
Fossilized urchin spines are fascinating remnants that offer valuable insights into the history of these creatures. The spine itself is a complex structure made of calcite and often intricately designed, serving various functions such as defense against predators and burrowing into the sediment. The preservation of an urchin’s spine can reveal details about its species, size, and even behavior.
Ancient sea urchins were highly diverse, adapting to various marine environments ranging from shallow coastal waters to deep-sea floors. Their presence in the fossil record across different geological periods makes them vital for understanding paleoecological changes, sedimentary environments, and even climatic shifts.
Three fossilized urchin spines displayed in an acrylic case. A perfect addition for your fossil collection.
Images are representative of the specimens you will receive.
*Last image from the Bulletin of the Museum of Comparative Zoology at Harvard College, 1863.
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