Toreumatica reevesii 12mm 芮氏刻肋海膽

Phylum： Echinodermata 棘皮動物門

Class： Echinoidea 海膽綱
Family： Temnopleuridae 刻肋海膽科
Scientific name： Toreumatica reevesii
Chinese name： 芮氏刻肋海膽
Author： (Gray, 1855)
Size： 12mm
Description： Sea urchin – test diameter - 12 mm, taken by tangle net at depth of 50 meters in Olango Island, Cebu, Philippines.

Toreumatica reevesii, Aboral view(反口面).




Toreumatica reevesii, Apical system (頂系)， 屬dicyclic type，肛門遠遠地偏離肛圍的中點，接近邊緣






Toreumatica reevesii, Aboral view, interambulacral area(間步帶區).




Toreumatica reevesii, 叉棘 (pedicellariae)







Toreumatica reevesii, Oral view(口面).






Toreumatica reevesii, Lateral view, ambulacral area(步帶區).






Toreumatica reevesii, Lateral view, ambulacral area(步帶區), Close up.






Toreumatica reevesii, Lateral view, interambulacral area(間步帶區).






Toreumatica reevesii, Lateral view, interambulacral area(間步帶區),  Close up.






Toreumatica reevesii, Lateral view, plating of interambulacral area(間步帶區), .






Toreumatica reevesii, Lateral view, ambulacral area(步帶區).







Toreumatica reevesii, Lateral view, ambulacral area(步帶區), Close up plating.








Toreumatica reevesii, Lateral view, interambulacral area(間步帶區).






Toreumatica reevesii, Lateral view, interambulacral area(間步帶區), Close up.








Toreumatica reevesii, Lateral view, interambulacral area(間步帶區), plating close up.






Toreumatica reevesii, Lateral view, interambulacral area(間步帶區), plating close up.