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 53x47x12mm


Description Sea Urchin, 53mm, taken in Olango Island, Cebu, Philippines.




 


 


Clypeaster sp., Aboral view(反口面).




 


 


Clypeaster sp., Oral view(口面).




 


 


Clypeaster sp., Rt. lateral view(右側面).





 


 


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












 


 


 


Clypeaster sp., Petals (瓣帶)



 


 


Clypeaster sp., Apical system (頂系)



 


 


Clypeaster sp., Anterior & Posterior petals



 


 


Clypeaster sp., Anterior petals, Poriferous zone(有孔部) & Interporiferous zone(無孔部)



 


 


Clypeaster sp., Peristome (口圍)



 


 


Clypeaster sp., Periproct (肛圍)


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