Phylum: Echinodermata 棘皮動物門
Class: Echinoidea 海膽綱
Family: Laganidae 餅乾海膽科
Scientific name: Laganum decagonale
Chinese name: 十角餅乾海膽
Author: Blainville, 1827
Size: 41 mm
Description: Sea urchin test diameter - 41 mm , with spine, taken with tangle net at depth of 100-200 meters in Balicasag Island , Bohol , Philippines .
Laganum decagonale, 十角餅乾海膽, Aboral view(反口面).
Laganum decagonale, 十角餅乾海膽, Petaloid area (瓣狀區域)
Laganum decagonale, 十角餅乾海膽, Apical system (頂系)
Laganum decagonale, 十角餅乾海膽, Oral view(口面).
Laganum decagonale, 十角餅乾海膽, Peristome (口圍)
Laganum decagonale, 十角餅乾海膽, Periproct (肛圍)
Laganum decagonale, 十角餅乾海膽, Lt. lateral view(左側面).
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