Laganum decagonal 34x32x6mm 十角餅乾海膽

Phylum： Echinodermata 棘皮動物門

Class： Echinoidea 海膽綱

Family： Laganidae 餅乾海膽科

Scientific name： Laganum decagonal

Chinese name： 十角餅乾海膽

Author： Blainville, 1827

Size： 34x32x6mm

Description： Sea Urchin, test diameter: 34mm, taken in Olango Island, Cebu, Philippines.

 

 

Laganum decagonal, Aboral view(反口面).

 

 

Laganum decagonal, Petaloid area (瓣狀區域)

 

 

Laganum decagonal, Apical system (頂系)

 

 

Laganum decagonal, Oral view(口面).

 

 

Laganum decagonal, Peristome (口圍) & Periproct (肛圍).

 

 

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

 

 

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

 

 

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