Phylum: Echinodermata 棘皮動物門
Class: Echinoidea 海膽綱
Family: Clypeasteridae 楯海膽科
Scientific name: Clypeaster japonicus cf.
Chinese name: 日本盾形海膽
Author: Doderlein, 1885
Size: 64x54x17mm
Description: Sea Urchin., test diameter: 64mm, taken in Olango Island, Cebu, Philippines.
Clypeaster japonicus cf., Aboral view(反口面).
Clypeaster japonicus cf., Petaloid area (瓣狀區域)
Clypeaster japonicus cf., Apical system (頂系)
Clypeaster japonicus cf., Oral view(口面).
Clypeaster japonicus cf., Peristome (口圍)
Clypeaster japonicus cf., Peristome (口圍) & Periproct (肛圍).
Clypeaster japonicus cf., Lt. side aboral view(左側反口面).
Clypeaster japonicus cf., Lt side of Anterior paired petals (前瓣帶對)
Clypeaster japonicus cf., Anterior view(前端).
Clypeaster japonicus cf., Poriferous zone (有孔部)
Clypeaster japonicus cf., Poriferous zone (有孔部)
Clypeaster japonicus cf., Rt. lateral aboral view(右側反口面).
Clypeaster japonicus cf., Rt. lateral view(右側面).
Clypeaster japonicus cf., Rt. lateral oral view(右側口面).
Clypeaster japonicus cf., Posterior view(後端).
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