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Astropecten

1、槭海星属

腕长而较尖，边缘有棘的北方属如槭海星属(Astropecten)、光海星属(Psilaster)和砂海星属(Luidia)。西印度群岛最大的网瘤海星(Oreaster reticulatus)辐径约50公分(20吋)。

Genus Astropecten槭海星属

Astropecten polyacanthus滤沙海星

生物学

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