Clypeaster japonicus cf. 59x53x15mm 日本盾形海膽

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： 59x53x15mm

Description： Sea Urchin., test diameter: 59mm, 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., Periproct (肛圍)

 

 

Clypeaster japonicus cf., Lt. lateral aboral view(左側反口面).

 

 

Clypeaster japonicus cf., Lt. side of paired petals .

 

 

Clypeaster japonicus cf., Lt side of Anterior & Posterior paired petals

 

 

Clypeaster japonicus cf., Lt side of Anterior paired petals (前瓣帶對)

 

 

Clypeaster japonicus cf., Lateral view, interambulacral area(間步帶區).

 

 

Clypeaster japonicus cf., Lt. lateral view(左側面).

 

 

Clypeaster japonicus cf., Lt. lateral oral view(左側口面).