Polyps and sclerites of Isidella tenuis, holotype, JSL-I-1929, USNM 89382, a lateral stereo view of two polyps b cross section of internode showing hollow core c stereo view of ridged ornamentation of body wall needles d upper body wall needles e enlargement of upper body wall needle f lower body wall needles g two coenenchymal scales h tentacular platelets i basal body wall needles j pharyngeal rodlets.

 
 
  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