2011年6月9日 星期四

Laganum decagonal 34x32x6mm 十角餅乾海膽

Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Laganidae 餅乾海膽科


Scientific name Laganum decagonal


Chinese name 十角餅乾海膽


Author Blainville, 1827


Size 34x32x6mm


Description Sea Urchin, test diameter: 34mm, taken in Olango Island, Cebu, Philippines.




 


 


Laganum decagonal, Aboral view(反口面).



 


 


Laganum decagonal, Petaloid area (瓣狀區域)



 


 


Laganum decagonal, Apical system (頂系)



 


 


Laganum decagonal, Oral view(口面).



 


 


Laganum decagonal, Peristome (口圍) & Periproct (肛圍).



 


 


Laganum decagonal, Lt. lateral aboral view(左側反口面).




 


 


Laganum decagonal, Lt. lateral view(左側面).



 


 


Laganum decagonal, Lt. lateral oral view(左側口面).



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