Aplidium effrenatum (Herdman, 1886) (basis of record)
Aplidium stellatum (Verrill, 1871) (basis of record)
Ascidia clementea Ritter, 1907 (additional source)
Ascidia meridionalis Herdman, 1880 (additional source)
Ascidia obliqua Alder, 1863 (additional source)
Ascidia unalaskensis (Ritter, 1913) (basis of record)
Bathypera ovoida (Ritter, 1907) (basis of record)
Bathypera splendens Michaelsen, 1904 (additional source)
Benthascidia michaelseni Ritter, 1907 (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Bostrichobranchus pilularis (Verrill, 1871) (additional source)
Caenagnesia bocki Ärnbäck-Christie-Linde, 1938 (additional source)
Ciona gelatinosa Bonnevie, 1896 (additional source)
Cnemidocarpa verrucosa (Lesson, 1830) (additional source)
Coelocormus huxleyi Herdman, 1886 (additional source)
Corella eumyota Traustedt, 1882 (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Didemnum studeri Hartmeyer, 1911 (additional source)
Distaplia cylindrica (Lesson, 1830) (additional source)
Eudistoma psammion Ritter & Forsyth, 1917 (additional source)
Eugyra kerguelenensis Herdman, 1881 (additional source)
Halocynthia pyriformis (Rathke, 1806) (additional source)
Leptoclinides faeroensis Bjerkan, 1905 (additional source)
Molgula arenata Stimpson, 1852 (additional source)
Molgula pedunculata (Herdman, 1881) (additional source)
Molgula pyriformis Herdman, 1881 (additional source)
Molgula retortiformis Verrill, 1871 (additional source)
Molgula verrilli (Van Name, 1912) (basis of record)
Paramolgula gregaria (Lesson, 1830) (basis of record)
Polycarpa albatrossi (Van Name, 1912) (basis of record)
Polycarpa aspera (Herdman, 1886) (additional source)
Polycarpa fibrosa (Stimpson, 1852) (additional source)
Pyura antillarum Van Name, 1921 (additional source)
Pyura chilensis Molina, 1782 (additional source)
Pyura discoveryi (Herdman, 1910) (additional source)
Pyura georgiana (Michaelsen, 1898) (additional source)
Pyura legumen (Lesson, 1830) (basis of record)
Styela coriacea (Alder & Hancock, 1848) (additional source)
Styela glans Herdman, 1881 (additional source)

United States part of the Gulf of Mexico for Styela plicata (Lesueur, 1823)  (origin: alien)
United States part of the North Atlantic Ocean for Bostrichobranchus pilularis (Verrill, 1871)  (origin: alien)
United States part of the North Atlantic Ocean for Styela plicata (Lesueur, 1823)  (origin: alien)