This unusual featherstar also has terminal arm filaments, which may betray a close relationship with stalked <em>Porphyrocrinus</em>.
Featherstar
Image courtesy of he NOAA Office of Ocean Exploration and Research, 2017 American Samoa. Download larger version (jpg, 1.8 MB).

This unusual featherstar also has terminal arm filaments, which may betray a close relationship with stalked Porphyrocrinus.

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