Authors(s)	Morton, J. E.
Year	1957a
Title	Opisthobranch Mollusca, Gymnosomata fam. Clionidae. Fiches, Cons. intern. Explor. Mer, Zooplankton- sheet 80: 1-4, 7 figs.

• Cephalobrachia macrochaeta
• Massya longicirrata
• Notobranchaea macdonaldi macdonaldi
• Notobranchaea tetrabranchiata
• Paraclione longicaudata
• Thliptodon antarcticus
• Thliptodon diaphanus