Phylum Echinodermata 棘皮動物門


Class Echinoidea 海膽綱


Family Laganidae 餅乾海膽科


Scientific name Laganum fudsiyama


Chinese name 富士山餅乾海膽


Author Doederlein, 1885


Size 78 x73x 18mm


Description Sea Urchin, test diameter: 78mm , taken in 南方澳, Northeast of Taiwan.


 


 


 


Laganum fudsiyama, Aboral view(反口面).



 


 


Laganum fudsiyama, Petaloid area (瓣狀區域)




 


 


Laganum fudsiyama, Posterior paired petals (後瓣帶對)



 


 


Laganum fudsiyama, Apical system (頂系)



 


 


 


Laganum fudsiyama, Oral view(口面).




 


 


Laganum fudsiyama, Peristome (口圍)



 


 


Laganum fudsiyama, Peristome (口圍)



 


 


Laganum fudsiyama, Periproct (肛圍)


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