Actinia anachoreta Pax, 1922 accepted as Pseudactinia infecunda (McMurrich, 1893) (original description)
Actinia psapharoderma Pax, 1922 accepted as Pseudactinia infecunda (McMurrich, 1893) (original description)
Actinia suspecta Pax, 1922 accepted as Pseudactinia flagellifera (Hertwig, 1882) accepted as Pseudactinia infecunda (McMurrich, 1893) (original description)
Actinostola rufostriata Pax, 1922 accepted as Hormosoma scotti Stephenson, 1918 (original description)
Antholoba epizoica Pax, 1922 accepted as Anthosactis epizoica (Pax, 1922) (original description)
Bunodactis fallax Pax, 1922 accepted as Bunodosoma fallax (Pax, 1922) (original description)
Bunodactis michaelseni Pax, 1920 accepted as Anthopleura michaelseni (Pax, 1920) (additional source)
Bunodactis vanhoeffeni Pax, 1922 accepted as Parantheopsis vanhoeffeni (Pax, 1922) (original description)
Calliactis vincentina Pax, 1922 accepted as Anthothoe vincentina (Pax, 1922) (original description)
Choriactis crassa McMurrich, 1904 accepted as Paractis laevis (Carlgren, 1899) (additional source)
Choriactis crassoides Pax, 1922 accepted as Paractis laevis (Carlgren, 1899) (original description)
Choriactis opalescens Pax, 1922 accepted as Paractis laevis (Carlgren, 1899) (original description)
Choriactis subantarctica Pax, 1922 accepted as Paractis subantarctica (Pax, 1922) (original description)
Condylactis crassa Pax, 1922 accepted as Parantheopsis cruentata (Couthouy in Dana, 1846) (original description)
Cymbactis erythrocephala Pax, 1922 accepted as Sicyonis erythrocephala (Pax, 1922) (original description)
Cymbactis frigida Pax, 1922 accepted as Stomphia selaginella (Stephenson, 1918) (original description)
Dimyactis Pax, 1922 (original description)
Dimyactis duplicata Pax, 1922 accepted as Halianthella kerguelensis (Studer, 1879) (original description)
Epiactis novozealandica Stephenson, 1918 accepted as Epiactis neozealandica Stephenson, 1918 (additional source)
Epiactis stephensoni Pax, 1922 accepted as Glyphoperidium bursa Roule, 1909 (original description)
Halcampoides kerguelensis Pax, 1922 accepted as Halcampoides purpureus (Studer, 1879) (original description)
Halcampoides macrodactyla Pax, 1922 accepted as Halcampoides purpureus (Studer, 1879) (original description)
Halcampoides purpurea (Studer, 1879) accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Hormosoma scotti Stephenson, 1918 (additional source)
Hormosoma violaceum Pax, 1922 accepted as Hormosoma scotti Stephenson, 1918 (original description)
Isotealia antarctica Carlgren, 1899 (additional source)
Isotealia pachyderma Pax, 1922 accepted as Tealianthus pachydermus (Pax, 1922) (original description)
Parantheoides rhododactyla Pax, 1922 accepted as Hormathia lacunifera (Stephenson, 1918) (original description)
Paranthus erythrosoma Pax, 1922 accepted as Hormathia lacunifera (Stephenson, 1918) (original description)
Rhytidactis Pax, 1922 (original description)
Rhytidactis antarctica Pax, 1922 accepted as Halianthella kerguelensis (Studer, 1879) (original description)
Sagartia antarctica Pax, 1922 accepted as Anthosactis epizoica (Pax, 1922) (original description)
Sagartia capensis Pax, 1922 accepted as Cylista capensis (Pax, 1922) (original description)
Sagartia kerguelensis Pax, 1922 accepted as Actinothoe kerguelensis (Pax, 1922) (original description)
Sagartia minima Pax, 1922 accepted as Cylista minima (Pax, 1922) (original description)
Sagartia problematica Pax, 1922 accepted as Cylista problematica (Pax, 1922) (original description)

Antarctica for Cymbactis frigida Pax, 1922 
Antarctica for Sagartia minima Pax, 1922 
French Southern Territories for Condylactis crassa Pax, 1922 
French Southern Territories for Dimyactis duplicata Pax, 1922 
French Southern Territories for Sagartia kerguelensis Pax, 1922 

Syntype SMNH 1172, geounit French Southern Territories, identified as Bunodactis vanhoeffeni Pax, 1922
Syntype MNHN 2374, geounit Antarctica, identified as Paranthus erythrosoma Pax, 1922
Syntype MNHN 2375, geounit Antarctica, identified as Actinostola rufostriata Pax, 1922
Syntype MNHN 2376, geounit Antarctica, identified as Parantheoides rhododactyla Pax, 1922
Syntype MNHN 2377, geounit Antarctica, identified as Cymbactis erythrocephala Pax, 1922
Syntype MNHN 2378, geounit Antarctica, identified as Choriactis opalescens Pax, 1922
Syntype MNHN 2379, geounit Antarctica, identified as Epiactis stephensoni Pax, 1922
Syntype MNHN 2380, geounit Antarctica, identified as Hormosoma violaceum Pax, 1922
Syntype MNHN 2384, geounit Antarctica, identified as Halcampoides macrodactyla Pax, 1922
Syntype MNHN 2385, geounit Antarctica, identified as Choriactis crassoides Pax, 1922
Nontype MNB 5951, geounit Antarctica, identified as Sagartia antarctica Pax, 1922
Syntype MNB 7003, geounit South African Exclusive Economic Zone, identified as Actinia anachoreta Pax, 1922
Syntype MNB 7004, geounit South African Exclusive Economic Zone, identified as Actinia anachoreta Pax, 1922
Syntype MNB 7005, geounit South African Exclusive Economic Zone, identified as Actinia psapharoderma Pax, 1922
Holotype MNB 7089, geounit French Southern Territories, identified as Halcampoides kerguelensis Pax, 1922
Nontype MNB 7094, geounit French Southern Territories, identified as Halcampoides kerguelensis Pax, 1922
Syntype MNB 7170, geounit South African Exclusive Economic Zone, identified as Sagartia capensis Pax, 1922
Syntype MNB 7171, geounit French Southern Territories, identified as Bunodactis fallax Pax, 1922
Syntype MNB 7176, geounit Cape Verdean Exclusive Economic Zone, identified as Calliactis vincentina Pax, 1922
Syntype MNB 7186, geounit South African Exclusive Economic Zone, identified as Sagartia capensis Pax, 1922
Paralectotype MNB 7195, identified as Actinia suspecta Pax, 1922
Lectotype MNB 7196, geounit South African Exclusive Economic Zone, identified as Actinia suspecta Pax, 1922
Syntype MNB 7197, geounit Cape Verdean Exclusive Economic Zone, identified as Calliactis vincentina Pax, 1922
Holotype MNB 7207, geounit French Southern Territories, identified as Choriactis subantarctica Pax, 1922
Syntype MNB 7208, geounit French Southern Territories, identified as Bunodactis vanhoeffeni Pax, 1922
Holotype MNB 7209, geounit South African Exclusive Economic Zone, identified as Sagartia problematica Pax, 1922
Syntype MNB 7257, geounit Antarctica, identified as Antholoba epizoica Pax, 1922
Syntype MNB 7258, geounit French Southern Territories, identified as Rhytidactis antarctica Pax, 1922
Holotype MNB 7269, geounit Antarctica, identified as Isotealia pachyderma Pax, 1922
Syntype ZMH C5801, geounit French Southern Territories, identified as Bunodactis vanhoeffeni Pax, 1922
Syntype LO LXX/6563, geounit Antarctica, identified as Paranthus erythrosoma Pax, 1922
Holotype LO NONE, geounit Antarctica, identified as Isotealia pachyderma Pax, 1922
Syntype MNB NONE, geounit Cape Verdean Exclusive Economic Zone, identified as Calliactis vincentina Pax, 1922