Alcyonium (Erythropodium) contortum Kükenthal, 1906 accepted as Briareum hamrum (Gohar, 1948) (original description)
Alcyonium (Metalcyonium) Pfeffer, 1889 accepted as Bellonella Gray, 1862 (new combination reference)
Alcyonium (Metalcyonium) capitata (Pfeffer, 1889) accepted as Bellonella capitata (Pfeffer, 1889) (new combination reference)
Alcyonium (Metalcyonium) clavatum (Pfeffer, 1889) accepted as Bellonella clavata (Pfeffer, 1889) (new combination reference)
Alcyonium (Metalcyonium) novarae Kükenthal, 1906 accepted as Alcyonium novarae Kükenthal, 1906 (original description)
Alcyonium (Metalcyonium) patagonicum (May, 1899) accepted as Alcyonium patagonicum (May, 1899) (new combination reference)
Alcyonium capitatum (Pfeffer, 1889) accepted as Bellonella capitata (Pfeffer, 1889) (additional source)
Alcyonium clavatum (Pfeffer, 1889) accepted as Bellonella clavata (Pfeffer, 1889) (additional source)
Alcyonium digitatum Linnaeus, 1758 (additional source)
Alcyonium membranaceum Kükenthal, 1906 (original description)
Alcyonium patagonicum (May, 1899) (additional source)
Alcyonium reptans Kükenthal, 1906 (original description)
Alcyonium valdiviae Kükenthal, 1906 accepted as Parasphaerasclera valdiviae (Kukenthal, 1906) (original description)
Anthomastus agaricus Studer, 1890 accepted as Pseudoanthomastus agaricus (Studer, 1890) (additional source)
Anthomastus antarcticus Kükenthal, 1902 (redescription)
Anthomastus canariensis Wright & Studer, 1889 (additional source)
Anthomastus elegans Kükenthal, 1902 accepted as Alcyonium elegans (Kükenthal, 1902) (additional source)
Anthomastus grandiflorus Verrill, 1878 (additional source)
Anthomastus purpureus (Koren & Danielssen, 1883) (additional source)
Anthomastus steenstrupi Wright & Studer, 1889 accepted as Heteropolypus steenstrupi (Wright & Studer, 1889) (additional source)
Capnella rugosa (Kükenthal, 1902) accepted as Eunephthya thyrsoidea (Verrill, 1865) (additional source)
Clavularia chuni Kükenthal, 1906 (original description)
Eunephthya antarctica (Kükenthal, 1902) accepted as Gersemia antarctica (Kükenthal, 1902) (new combination reference)
Eunephthya clavata (Danielssen, 1887) accepted as Gersemia clavata (Danielssen, 1887) (new combination reference)
Eunephthya florida (Rathke, 1806) accepted as Duva florida (Rathke, 1806) (new combination reference)
Eunephthya fruticosa (Sars, 1860) accepted as Gersemia fruticosa (Sars, 1860) (new combination reference)
Eunephthya glomerata Verrill, 1869 accepted as Drifa glomerata (Verrill, 1869) (additional source)
Eunephthya hyalina (Danielssen, 1887) accepted as Drifa glomerata (Verrill, 1869) (new combination reference)
Eunephthya japonica Kukenthal, 1906 accepted as Gersemia japonica (Kükenthal, 1906) (additional source)
Eunephthya mirabilis (Danielssen, 1887) accepted as Gersemia mirabilis (Danielssen, 1887) (new combination reference)
Eunephthya nigra (Pourtalès, 1868) accepted as Pseudodrifa nigra (Pourtalès, 1868) (additional source)
Eunephthya racemosa Studer, 1891 accepted as Pseudodrifa racemosa (Studer, 1891) (additional source)
Eunephthya rosea (Koren & Danielssen, 1883) accepted as Duva multiflora (Verrill, 1879) (new combination reference)
Eunephthya rubiformis (Ehrenberg, 1834) accepted as Gersemia rubiformis (Ehrenberg, 1834) (additional source)
Eunephthya spiculosa Kükenthal, 1906 accepted as Scleronephthya spiculosa (Kükenthal, 1906) (additional source)
Eunephthya spitzbergensis (Danielssen, 1887) accepted as Duva multiflora (Verrill, 1879) (new combination reference)
Eunephthya uvaeformis (May, 1900) accepted as Gersemia uvaeformis (May, 1900) (new combination reference)
Gersemia arctica (Danielssen, 1887) accepted as Gersemia fruticosa (Sars, 1860) (new combination reference)
Gersemia bocagei (Saville Kent, 1870) accepted as Alcyonium bocagei (Saville Kent, 1870) (new combination reference)
Gersemia studeri (von Koch, 1891) accepted as Nidalia studeri (von Koch, 1891) (new combination reference)
Gersemia variabilis (Studer, 1891) accepted as Bellonella variabilis (Studer, 1891) (new combination reference)
Metalcyonium clavatum Pfeffer, 1889 accepted as Bellonella clavata (Pfeffer, 1889) (additional source)
Metalcyonium molle Burchardt, 1902 (basis of record)
Metalcyonium molle Burchardt, 1902 (status source)
Nidalia arctica Danielssen, 1887 accepted as Gersemia fruticosa (Sars, 1860) (basis of record)
Nidalia atlantica Studer, 1878 accepted as Alcyonium bocagei (Saville Kent, 1870) (source of synonymy)
Nidalia bocagei (Saville Kent, 1870) accepted as Alcyonium bocagei (Saville Kent, 1870) (basis of record)
Nidalia cinerea (Brundin, 1896) accepted as Eleutherobia rubra (Brundin, 1896) (additional source)
Nidalia dofleini Kükenthal, 1906 accepted as Bellonella dofleini (Kukenthal, 1906) accepted as Eleutherobia dofleini (Kükenthal, 1906) (original description)
Nidalia foliacea May, 1899 (additional source)
Nidalia grandiflora Kükenthal, 1906 accepted as Eleutherobia grandiflora (Kükenthal, 1906) (original description)
Nidalia granulata (Gray, 1862) accepted as Bellonella granulata Gray, 1862 (additional source)
Nidalia indica (Thomson & Henderson, 1905) accepted as Paraminabea indica (Thomson & Henderson, 1905) (basis of record)
Nidalia macrospina Kükenthal, 1906 (original description)
Nidalia pellucida Kükenthal, 1906 accepted as Eleutherobia rigida (Pütter, 1900) (original description)
Nidalia rigida (Pütter, 1900) accepted as Eleutherobia rigida (Pütter, 1900) (additional source)
Nidalia rubra (Brundin, 1896) accepted as Eleutherobia rubra (Brundin, 1896) (additional source)
Nidalia studeri (von Koch, 1891) (additional source)
Nidalia unicolor Kükenthal, 1906 accepted as Eleutherobia unicolor (Kükenthal, 1906) (original description)
Nidalia variabilis (Studer, 1891) accepted as Bellonella variabilis (Studer, 1891) (basis of record)
Nidaliopsis Kükenthal, 1906 (original description)
Nidaliopsis pygmaea Kükenthal, 1906 (original description)
Paraspongodes antarctica Kükenthal, 1902 accepted as Gersemia antarctica (Kükenthal, 1902) (basis of record)
Sinularia brassica May, 1898 (additional source)
Xenia antarctica Kükenthal, 1902 (additional source)
Xenia uniserta Kükenthal, 1902 accepted as Heteroxenia uniserta (Kükenthal, 1902) (additional source)