2011年6月8日 星期三

Peronella pellucida 39mm 透明餅海膽

Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Laganidae 餅乾海膽科


Scientific name Peronella pellucida


Chinese name 透明餅海膽


Author Doederlein, 1885


Size 39mm


Description Sea Urchin, test diameter: 39mm, taken in Olango Island, Cebu, Philippines.




 


 


Peronella pellucida, Aboral view(反口面).



 


 


Peronella pellucida, Petaloid area (瓣狀區域)



 


 


Peronella pellucida, Apical system (頂系)



 


 


Peronella pellucida, Oral view(口面).




 


 


Peronella pellucida, Peristome (口圍)



 


 


Peronella pellucida, Periproct (肛圍)



 


 


Peronella pellucida, Lateral aboral view(側反口面).




 


 


Peronella pellucida, Lateral view(側面).



 


 


Peronella pellucida, Lateral oral view(側口面).



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