Phylum: Echinodermata 棘皮動物門
Class: Echinoidea 海膽綱
Family: Echinometridae 長海膽科
Scientific name: Echinostrephus aciculatus
Chinese name: 白尖紫叢海膽
Author: Agassiz, 1863
Size: 20mm
Description: Needle spine urchin - test diameter - 20 mm, with spine, taken by tangle net at depth of 50 - 100 mm in Olango Island, Cebu, Philippines.
Echinostrephus aciculatus, Aboral view(反口面).
Echinostrephus aciculatus, Oral view(口面).
Echinostrephus aciculatus, Lateral view(側面).
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