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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 25x23x 5mm


Description Sea Urchins, test diameter: 25mm , taken in Olango Island , Cebu , Philippines .




 


 


Clypeaster sp., Aboral view(反口面).



 


 


Clypeaster sp., Petaloid area (瓣狀區域)



 


 


Clypeaster sp., Anterior paired petals (前瓣帶對)



 


 


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 view(左側面).






 


 


Clypeaster sp., Lt. lateral view, Petaloid area (瓣狀區域).


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