Acrophytum claviger Hickson, 1900 (additional source)
Alcyonium distinctum Williams, 1988 accepted as Porphyrophyton distinctum (Williams, 1988) (original description)
Alcyonium fauri J.S. Thomson, 1910 (additional source)
Alcyonium khoisanianum Williams, 1988 accepted as Pieterfaurea khoisaniana (Williams, 1988) (original description)
Alcyonium moriferum (Tixier-Durivault, 1954) accepted as Parasphaerasclera morifera (Tixier-Durivault, 1954) (additional source)
Alcyonium mutabiliforme Williams, 1988 accepted as Dimorphophyton mutabiliforme (Williams, 1988) (original description)
Alcyonium planiceps Williams, 1986 accepted as Lampophyton planiceps (Williams, 1986) (additional source)
Alcyonium rotiferum J.S. Thomson, 1910 accepted as Parasphaerasclera rotifera (Thomson, 1910) (additional source)
Alcyonium rutilum (Tixier-Durivault, 1954) accepted as Parasphaerasclera valdiviae (Kukenthal, 1906) (additional source)
Alcyonium valdiviae Kükenthal, 1906 accepted as Parasphaerasclera valdiviae (Kukenthal, 1906) (additional source)
Capnella susanae Williams, 1988 accepted as Eunephthya susanae (Williams, 1988) (original description)
Capnella thyrsoidea (Verrill, 1865) accepted as Eunephthya thyrsoidea (Verrill, 1865) (additional source)
Ceratocaulon wandeli Jungersen, 1892 (additional source)
Cladiella Gray, 1869 (additional source)
Malacacanthus capensis (Hickson, 1900) (additional source)
Metalcyonium molle Burchardt, 1902 (additional source)
Metalcyonium novarae (Kükenthal, 1906) accepted as Alcyonium novarae Kükenthal, 1906 (additional source)

Nontype SAfM 3913, geounit South African Exclusive Economic Zone, identified as Alcyonium distinctum Williams, 1988
Holotype SAfM H3411, geounit South African Exclusive Economic Zone, identified as Alcyonium khoisanianum Williams, 1988
Nontype SAfM H3716, geounit South African Exclusive Economic Zone, identified as Alcyonium mutabiliforme Williams, 1988
Holotype SAfM H3717, geounit South African Exclusive Economic Zone, identified as Capnella susanae Williams, 1988
Holotype SAfM H3765, geounit South African Exclusive Economic Zone, identified as Alcyonium mutabiliforme Williams, 1988
Holotype SAfM H3765, geounit South African Exclusive Economic Zone, identified as Alcyonium moriferum (Tixier-Durivault, 1954)
Paratype SAfM H3766, geounit South African Exclusive Economic Zone, identified as Alcyonium mutabiliforme Williams, 1988
Nontype SAfM H3767, geounit South African Exclusive Economic Zone, identified as Alcyonium mutabiliforme Williams, 1988
Paratype SAfM H3854, geounit South African Exclusive Economic Zone, identified as Capnella susanae Williams, 1988
Nontype SAfM H3855, geounit South African Exclusive Economic Zone, identified as Capnella susanae Williams, 1988
Paratype SAfM H3907, identified as Alcyonium khoisanianum Williams, 1988
Holotype SAfM H3908, geounit South African Exclusive Economic Zone, identified as Alcyonium distinctum Williams, 1988
Paratype SAfM H3909, geounit South African Exclusive Economic Zone, identified as Alcyonium distinctum Williams, 1988
Nontype SAfM H3910, geounit South African Exclusive Economic Zone, identified as Alcyonium distinctum Williams, 1988
Nontype SAfM H3911, geounit South African Exclusive Economic Zone, identified as Alcyonium distinctum Williams, 1988
Nontype SAfM H3912, geounit South African Exclusive Economic Zone, identified as Alcyonium distinctum Williams, 1988