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Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Echinometridae 長海膽科


Scientific name Heterocentrotus mammillatus


Chinese name 鉛筆海膽


Author Linnaeus, 1758


Size 48x40x 23mm


Description Sea Urchin, diameter: 48x40x 23mm , taken in Olango Island , Cebu , Philippines .


 


 


 


Heterocentrotus mammillatus, Aboral view(反口面).



 


 


Heterocentrotus mammillatus, Oral view(口面).



 


 


Heterocentrotus mammillatus, Lateral view(側面).







 


 


Heterocentrotus mammillatus, Lateral view(側面).





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