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Here's a picture of the species that they spines are from (Heterocentrotus trigonarius)
Echinodermata! Starfish! Sea Urchins! Sea Cucumbers! Stone Lillies! Feather Stars! Blastozoans! Sea Daisies! Marine invertebrates found throughout the world's oceans with a rich and ancient fossil legacy. Their biology and evolution includes a wide range of crazy and wonderful things. Let me share those things with YOU!
1 comment:
Couldn't that be caused by parasites? I can't recall which ones in particular right now, but I know there are some that burrow into spines and cause weird growths.
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