• Adenocystis utricularis (Bory) Skottsberg, 1907
• Alethocladus corymbosus (Dickie) Sauvageau, 1903 accepted as Halopteris corymbosa (Dickie) Draisma, Prud'homme & H.Kawai, 2010
• Ascoseira mirabilis Skottsberg, 1907
• Austrofilum incommodum (Skottsberg) A.F.Peters, 2003
• Chordaria linearis (J.D.Hooker & Harvey) A.D.Cotton, 1915
• Cystosphaera jacquinotii (Montagne) Skottsberg, 1907
• Desmarestia anceps Montagne, 1842
• Desmarestia antarctica R.L.Moe & P.C.Silva, 1989
• Desmarestia confervoides (Bory de Saint-Vincent) M.E.Ramírez & A.F.Peters, 1993
• Desmarestia menziesii J.Agardh, 1848
• Elachista antarctica Skottsberg, 1953
• Geminocarpus austrogeorgiae Skottsberg, 1907
• Geminocarpus geminatus (J.D.Hooker & Harvey) Skottsberg, 1907
• Halopteris corymbosa (Dickie) Draisma, Prud'homme & H.Kawai, 2010
• Halopteris obovata (J.D.Hooker & Harvey) Sauvageau, 1904
• Himantothallus grandifolius (A.Gepp & E.S.Gepp) Zinova, 1959
• Leptonematella falklandica (Skottsberg) M.J.Wynne, 1969
• Lithoderma antarcticum Skottsberg, 1953
• Myrionema incommodum Skottsberg, 1907 accepted as Austrofilum incommodum (Skottsberg) A.F.Peters, 2003
• Petroderma maculiforme (Wollny) Kuckuck, 1897
• Phaeurus antarcticus Skottsberg, 1907
• Pylaiella littoralis (Linnaeus) Kjellman, 1872
• Ralfsia australis Skottsberg, 1921
• Scytothamnus fasciculatus (J.D.Hooker & Harvey) A.D.Cotton, 1915
• Syringoderma australe Levring, 1940
• Utriculidium durvillei Skottsberg, 1907