World Register of Marine Species (WoRMS)
Primnoisis (Primnoisis) fragilis Kükenthal, 1912
McFadden, C.S.; Cordeiro, R.; Samimi-Namin, K.; Hoeksema, B.W., Williams, G.; van Ofwegen, L.P. (2026). World List of Octocorallia. Primnoisis (Primnoisis) fragilis Kükenthal, 1912. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=869819 on 2026-08-30
Kükenthal, W. (1912). Die Alcyonaria der deutschen Sudpolar- Expedition 1901-1903. In: Drygalski, Erich von (Ed.), Deutsche Sudpolar-Expedition 1901-1903, 13. Zoologie 5 (3):289-349.