Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Clypeasteridae 楯海膽科


Scientific name Clypeaster sp.


Chinese name


Author


Size 58x53x17mm


Description Sea Urchin, 58mm, taken in Olango Island, Cebu, Philippines.




 


 


Clypeaster sp., Aboral view(反口面).





 


 


Clypeaster sp., Oral view(口面).





 


 


Clypeaster sp., Lt. lateral view(左側面).







 


 


Clypeaster sp., Petals (瓣帶)



 


 


Clypeaster sp., Anterior petals (前瓣帶)





 


 


Clypeaster sp., Apical system (頂系)



 


 


Clypeaster sp., Peristome (口圍) & Periproct (肛圍)



 


 


Clypeaster sp., Peristome (口圍)



 


 


Clypeaster sp., Periproct (肛圍)


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