Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Laganidae 餅乾海膽科


Scientific name Laganum depressum


Chinese name 薄餅乾海膽


Author Lesson, 1841


Size 40x38x8mm


Description Sea Urchin, test diameter: 40mm, taken in Olango Island, Cebu, Philippines.




 


 


Laganum depressum, Aboral view(反口面).



 


 


Laganum depressum, Petaloid area (瓣狀區域)



 


 


Laganum depressum, Apical system (頂系)



 


 


Laganum depressum, Oral view(口面).




 


 


Laganum depressum, Peristome (口圍)



 


 


Laganum depressum, Periproct (肛圍)



 


 


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




 


 


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



 


 


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


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