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 49X44X 12mm


Description Sea urchin - test diameter: 48mm , test/spine, taken with tangle net at depth of 100-200 meters in Balicasag Island , Bohol , Philippines .




 


 


Clypeaster sp., Aboral view(反口面).




 


 


Clypeaster sp., Oral view(口面).



 


 


Clypeaster sp., Oral view(口面), Peristome (口圍) & Periproct (肛圍).




 


 


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









 


 


Clypeaster sp., Posterior view(後端).



 


 


Clypeaster sp., Petaloid area (瓣狀區域)



 


 


Clypeaster sp., Apical system (頂系)



 


 


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




 


 


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




 


 


Clypeaster sp., Peristome (口圍)



 


 


Clypeaster sp., Periproct (肛圍)


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