Phylum: Echinodermata 棘皮動物門
Class: Echinoidea 海膽綱
Family: Dendrasteridae 樹星海膽科
Scientific name: Dendraster excentricus
Chinese name:
Author: Eschscholtz, 1829
Size: 72x70x 11mm
Description: Sea Urchins, taken in US West coast.
Dendraster excentricus, Aboral view(反口面).
Dendraster excentricus, Oral view(口面).
Dendraster excentricus, Posterior view(後端).
Dendraster excentricus, Apical system (頂系)
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