2011年6月16日 星期四

Phyllacanthus imperialis 60.3x57.2mm 葉棘頭帕海膽

Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Cidaridae 頭帕海膽科


Scientific name Phyllacanthus imperialis


Chinese name 葉棘頭帕海膽


Author (Lamarck, 1816)


Size 60.3x57.2mm


Description Sea Urchin, test diameter: 60.3mm, taken in Olango Island, Cebu, Philippines.


 


 


 


Phyllacanthus imperialis, Aboral view(反口面).





 


 


Phyllacanthus imperialis, Oral view(口面).





 


 


Phyllacanthus imperialis, Lateral aboral view(側反口面).




 


 


Phyllacanthus imperialis, Lateral view(側面).



 


 


Phyllacanthus imperialis, Lateral view, interambulacral area(間步帶區).




 


 


Phyllacanthus imperialis, Lateral view, ambulacral area(步帶區).



 


 


Phyllacanthus imperialis, Primary spine(一級刺).





 


 


反口面有大量的三葉叉棘 (Triphylous pedicellariae).





 


 


Phyllacanthus imperialis, Lateral view, ambulacral area(步帶區)有大量的三葉叉棘 (Triphylous pedicellariae).




 


 


三葉叉棘 (Triphylous pedicellariae).


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