This Isidid from 1300 meters at Murray Seamount exhibits a whorled branching morphology, suggesting it is Acanella. But it branches at the internodes, suggesting it is Keratoisis. Image courtesy of Exploring Alaska's Seamounts 2002, NOAA/OER.
This Isidid from 1300 meters at Murray Seamount exhibits a whorled branching morphology, suggesting it is Acanella. But it branches at the internodes, suggesting it is Keratoisis. Image courtesy of Exploring Alaska's Seamounts 2002, NOAA/OER.