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 51x46x 11mm


Description Sea urchin - test diameter: 50mm , 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., Petaloid area (瓣狀區域)



 


 


Clypeaster sp., Apical system (頂系)



 


 


Clypeaster sp., Oral view(口面).



 


 


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



 


 


Clypeaster sp., Peristome (口圍)



 


 


Clypeaster sp., Periproct (肛圍)



 


 


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










 


 


Clypeaster sp., Posterior view(後端).




 


 


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



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