A close look at the spiky spines of an urchin of the genus Pentametrocrinus, seen during the ninth dive of the 2021 North Atlantic Stepping Stones expedition at a depth of 1,254 meters (4,115). We saw several echinothurid and cidarid pencil urchins during the dive.
Urchin of the Genus Pentametrocrinus
Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts. Download larger version (jpg, 1.1 MB).

A close look at the spiky spines of an urchin of the genus Pentametrocrinus, seen during the ninth dive of the 2021 North Atlantic Stepping Stones expedition at a depth of 1,254 meters (4,115). We saw several echinothurid and cidarid pencil urchins during the dive.

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