2011年5月12日 星期四

Echinodiscus auritus 157mm 裂邊毛餅海膽 WITH SPINE

Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Astriclypeidae 星楯海膽科


Scientific name Echinodiscus auritus


Chinese name 裂邊毛餅海膽


Author Leske, 1778


Size 157mm


Description Sea urchin - test diameter - 157 mm , with spine, taken with tangle net at depth of 100-200 meters in Balicasag Island, Bohol, Philippines.


 


 


 


Echinodiscus auritus, Aboral view(反口面).






 


 


Echinodiscus auritus, Apical system (頂系)




 


 


Echinodiscus auritus, Oral view(口面).







 


 


Echinodiscus auritus, Peristome (口圍)



 


 


Echinodiscus auritus, Periproct (肛圍)



 


 


Echinodiscus auritus, Anterior lateral view().








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