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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 18x16x4mm


Description Sea Urchin, test diameter: 18mm, aken in Olango Island, Cebu, Philippines.




 


 


Clypeaster sp., Aboral view(反口面).



 


 


Clypeaster sp., Petaloid area (瓣狀區域)



 


 


Clypeaster sp., Apical system (頂系)



 


 


Clypeaster sp., Oral view(口面).



 


 


Clypeaster sp., Peristome (口圍)



 


 


Clypeaster sp., Periproct (肛圍)



 


 


Clypeaster sp., Lt. lateral aboral view(左側反口面).




 


 


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



 


 


Clypeaster sp., Lt. lateral oral view(左側口面).



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