Polyps and sclerites of Narella ambigua from Alb-2818, USNM 44165. a opercular stereo view of a polyp b–d abaxial, lateral, and adaxial stereo views of a polyp, respectively e axial view (drawing) of a whorl showing polychaete tube f basal scales g medial scale h buccal scales i opercular scales j adaxial buccal scales k coenenchymal scales.

 
 
  Part of: Cairns SD (2018) Deep-Water Octocorals (Cnidaria, Anthozoa) from the Galápagos and Cocos Islands. Part 1: Suborder Calcaxonia. ZooKeys 729: 1-46. https://doi.org/10.3897/zookeys.729.21779