Alcyonium capitatum (Pfeffer, 1889) accepted as Bellonella capitata (Pfeffer, 1889) (new combination reference)
Alcyonium equisetiform Lüttschwager, 1922 accepted as Klyxum equisetiform (Lüttschwager, 1922) (additional source)
Alcyonium fauri J.S. Thomson, 1910 (additional source)
Alcyonium fungiforme Tixier-Durivault, 1954 accepted as Alcyonium variabile (J.S. Thomson, 1921) (source of synonymy)
Alcyonium laeve Tixier-Durivault, 1955 accepted as Nidaliopsis laeve (Tixier-Durivault, 1955) (additional source)
Alcyonium luteum Tixier-Durivault, 1954 accepted as Alcyonium variabile (J.S. Thomson, 1921) (source of synonymy)
Alcyonium muricatum Yamada, 1950 (additional source)
Alcyonium pacificum Yamada, 1950 (additional source)
Alcyonium paessleri May, 1899 accepted as Alcyonium antarcticum Wright & Studer, 1889 (additional source)
Alcyonium planiceps Williams, 1986 accepted as Lampophyton planiceps (Williams, 1986) (additional source)
Alcyonium variabile (J.S. Thomson, 1921) (redescription)
Alcyonium verseveldti (Benayahu, 1982) accepted as Ofwegenum verseveldti (Benayahu, 1982) (new combination reference)
Alcyonium violaceum Tixier-Durivault, 1955 accepted as Nidaliopsis violacea (Tixier-Durivault, 1955) (additional source)
Bellonella granulata Gray, 1862 (additional source)
Erythropodium Kölliker, 1865 (additional source)
Metalcyonium Pfeffer, 1889 accepted as Bellonella Gray, 1862 (source of synonymy)
Metalcyonium variabile J.S. Thomson, 1921 accepted as Alcyonium variabile (J.S. Thomson, 1921) (new combination reference)
Metalcyonium verseveldti Benayahu, 1982 accepted as Ofwegenum verseveldti (Benayahu, 1982) (new combination reference)
Nidalia Gray, 1835 (additional source)
Parerythropodium coralloides (Pallas, 1766) accepted as Alcyonium coralloides (Pallas, 1766) (additional source)