Placogorgia species A. SBMNH 422970, SEM image. A Small capstan form B Chunky torch-type spindle C Crutch-type spindles D Long spindles E Thorn scales typical of the genus F Small, developing thorn scale, dorsal view G More developed thorn scales, dorsal view.

 
 
  Part of: Horvath EA (2019) A review of gorgonian coral species (Cnidaria, Octocorallia, Alcyonacea) held in the Santa Barbara Museum of Natural History research collection: focus on species from Scleraxonia, Holaxonia, Calcaxonia – Part II: Species of Holaxonia, families Gorgoniidae and Plexauridae. ZooKeys 860: 67-182. https://doi.org/10.3897/zookeys.860.33597