Abietinaria fusca (Johnston, 1847) (basis of record)
Abietinaria thuiarioides (Clark, 1877) (additional source)
Abietinaria turgida (Clark, 1877) (additional source)
Benthocodon hyalinus Larson & Harbison, 1990 (additional source)
Bougainvillia multitentaculata Foerster, 1923 (basis of record)
Calycopsis birulai (Linko, 1913) accepted as Eumedusa birulai (Linko, 1913) (additional source)
Calycopsis nematophora Bigelow, 1913 (basis of record)
Campanularia groenlandica Levinsen, 1893 (additional source)
Cladocarpus bonnevieae Jäderholm, 1909 accepted as Aglaophenopsis bonnevieae (Jäderholm, 1909) (basis of record)
Cladocarpus pourtalesii Verrill, 1879 accepted as Cladocarpus integer (Sars, 1873) (basis of record)
Clytia languida (A. Agassiz, 1862) accepted as Clytia hemisphaerica (Linnaeus, 1767) (basis of record)
Crossota millsae Thuesen, 2003 (basis of record)
Ectopleura larynx (Ellis & Solander, 1786) (additional source)
Eudendrium ramosum Van Beneden, 1844 accepted as Bougainvillia muscus (Allman, 1863) (additional source)
Garveia polarsterni Stepanjants, 2001 (basis of record)
Grammaria borealis (Levinsen, 1893) (basis of record)
Halecium beanii (Johnston, 1838) (additional source)
Halecium marsupiale Bergh, 1887 (basis of record)
Halecium reversum Nutting, 1901 (basis of record)
Halecium scutum Clark, 1977 (additional source)
Halecium speciosum Nutting, 1901 (basis of record)
Halitholus cirratus Hartlaub, 1914 (additional source)
Kirchenpaueria fragilis (Hamann, 1882) (basis of record)
Kirchenpaueria plumularioides (Clark, 1877) accepted as Plumalecium plumularioides (Clark, 1877) (basis of record)
Lafoea fruticosa (Sars, 1851) accepted as Lafoea dumosa (Fleming, 1820) (additional source)
Lafoea grandis Hincks, 1874 (additional source)
Melicertum georgicum Agassiz, 1862 accepted as Melicertum octocostatum (M. Sars, 1835) (additional source)
Neoturris breviconis (Murbach & Shearer, 1902) (basis of record)
Ptychogena hyperborea Kramp, 1942 (additional source)
Rhizogeton nudus Broch, 1910 (additional source)
Sertularella gigantea Hincks, 1874 (additional source)
Sertularia cupressoides Clark, 1877 accepted as Thuiaria dalli Nutting, 1904 accepted as Sertularia dalli (Nutting, 1904) (additional source)
Sertularia similis Clark, 1877 (additional source)
Sertularia tolli (Jäderholm, 1908) (basis of record)
Similomerona nematophora (Antsulevich, 1986) (additional source)
Stomotoca atra L. Agassiz, 1862 (additional source)
Symplectoscyphus pinnatus (Clark, 1877) (basis of record)
Thuiaria arctica (Bonnevie, 1899) (basis of record)
Thuiaria cylindrica Clark, 1877 (basis of record)
Thuiaria laxa Allman, 1874 (additional source)