Delesseria amansioides Sonder, 1853: 690–691 (type locality: Encounter Bay, South Australia).
Phitymophora amansioides (Sonder) Womersley, 1965a: 436.—Ducker, Foord, & Knox, 1977: 83.— Wynne, 1988: 525, figs. 9A,B.— Wynne & Scott, 1989: 25, fig. 1.
Taxonomic synonym:
Delesseria imbricata Areschoug, 1854b: 346 (type locality: Port Phillip, Victoria, Australia).—Sonder, 1880: 24.
INDIAN OCEAN DISTRIBUTION: Amsterdam Island, Australia.
Note: The synonymy was proposed by Womersley (l.c.).