Alcyonidiidae Johnston, 1837 (additional source)
Arachnidiidae Hincks, 1880 (additional source)
Arachnoidea Moore, 1903 (additional source)
Arctonula Gordon & Grischenko, 1994 (additional source)
Bowerbankia arctica Busk, 1880 accepted as Amathia arctica (Busk, 1880) (basis of record)
Buffonellaria Canu & Bassler, 1927 (additional source)
Buskia Alder, 1857 (additional source)
Buskiidae Hincks, 1880 (additional source)
Crisiella Borg, 1924 (additional source)
Cyclostomatida (additional source)
Cystisella Canu & Bassler, 1917 (additional source)
Diastoporidae Gregory, 1899 accepted as Plagioeciidae Canu, 1918 (additional source)
Escharinidae Tilbrook, 2006 (basis of record)
Eucrateidae Johnston, 1847 (additional source)
Flustrellidridae Bassler, 1953 (additional source)
Gigantoporidae Bassler, 1935 (additional source)
Gymnolaemata (additional source)
Harmeria Norman, 1903 (additional source)
Hippomonavella Canu & Bassler in Bassler, 1934 (additional source)
Horneridae Smitt, 1867 (additional source)
Infundibulipora Brood, 1972 (basis of record)
Kinetoskias Danielssen, 1868 (additional source)
Microporellidae Hincks, 1879 (additional source)
Myriapora de Blainville, 1830 (additional source)
Oshurkovia Grischenko & Mawatari, 2005 (basis of record)
Ragionula Canu & Bassler, 1927 (additional source)
Rhamphostomella Lorenz, 1886 (additional source)
Stegohornera Borg, 1944 accepted as Stigmatoechos Marsson, 1887 (additional source)
Stegohorneridae Borg, 1944 accepted as Stigmatoechidae Brood, 1972 (additional source)
Stomatopora Bronn, 1825 (additional source)
Triticellidae Sars, 1874 (additional source)