Avrainvillea amadelpha (Montagne) A. Gepp & E. Gepp forma submersa A. Gepp & E. Gepp, 1911: 42, 139, pl. XIV: figs. 114, 115 (syntype localities: Amirante Islands; Saya de Malha Bank; Cargados Carajos; Coetivy Reef, Seychelles).—Isaac, 1967: 76.— W. Isaac & F. Isaac, 1968: 21.— Lawson, 1980: 2.— Kalugina-Gutnik, Perestenko, & Titlyanova, 1992: 24 (table 1).— Titlyanova, Perestenko, & Kalugina-Gutnik, 1992: 45.— Titlyanov et al., 1994: 258, 259.
INDIAN OCEAN DISTRIBUTION: Aldabra Islands, Amirante Islands, Cargados Carajos, Kenya, Saya de Malha Bank, Seychelles.