Agnezia glaciata Michaelsen, 1898 (basis of record)
Agnezia septentrionalis (Huntsman, 1912) (basis of record)
Alloeocarpa bacca Ärnbäck, 1929 (additional source)
Alloeocarpa bridgesi Michaelsen, 1900 (additional source)
Alloeocarpa incrustans (Herdman, 1886) (additional source)
Aplidiopsis pannosum (Ritter, 1899) (basis of record)
Aplidium arenatum (Van Name, 1945) (basis of record)
Aplidium bermudae (Van Name, 1902) (additional source)
Aplidium californicum (Ritter & Forsyth, 1917) (basis of record)
Aplidium constellatum (Verrill, 1871) (basis of record)
Aplidium effrenatum (Herdman, 1886) (basis of record)
Aplidium exile (Van Name, 1902) (basis of record)
Aplidium funginum (Sluiter, 1898) (basis of record)
Aplidium lobatum Savigny, 1816 (additional source)
Aplidium pellucidum (Leidy, 1855) (additional source)
Aplidium propinquum (Van Name, 1945) (basis of record)
Aplidium spauldingi (Ritter, 1907) (basis of record)
Aplidium stellatum (Verrill, 1871) (basis of record)
Archidistoma aggregatum Garstang, 1891 (additional source)
Ascidia callosa Stimpson, 1852 (additional source)
Ascidia ceratodes (Huntsman, 1912) (basis of record)
Ascidia clementea Ritter, 1907 (additional source)
Ascidia curvata (Traustedt, 1882) (basis of record)
Ascidia dijmphniana (Traustedt, 1886) (additional source)
Ascidia meridionalis Herdman, 1880 (additional source)
Ascidia obliqua Alder, 1863 (additional source)
Ascidia paratropa (Huntsman, 1912) (basis of record)
Ascidia prunum Müller, 1776 (additional source)
Ascidia translucida Sluiter, 1890 (additional source)
Ascidia unalaskensis (Ritter, 1913) (basis of record)
Ascidia vermiformis (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 echinata (Linnaeus, 1767) (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Boltenia villosa (Stimpson, 1864) (basis of record)
Bostrichobranchus pilularis (Verrill, 1871) (additional source)
Botryllus planus (Van Name, 1902) (additional source)
Botryllus primigenus Oka, 1928 (additional source)
Caenagnesia bocki Ärnbäck-Christie-Linde, 1938 (additional source)
Chelyosoma columbianum Huntsman, 1912 (additional source)
Chelyosoma macleayanum Broderip & Sowerby, 1830 (additional source)
Chelyosoma productum Stimpson, 1864 (additional source)
Ciona gelatinosa Bonnevie, 1896 (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Ciona longissima Hartmeyer, 1899 (additional source)
Clavelina concrescens Hartmeyer, 1924 (additional source)
Clavelina fasciculata Van Name, 1945 (original description)
Clavelina huntsmani Van Name, 1931 (additional source)
Clavelina oblonga Herdman, 1880 (additional source)
Clavelina picta (Verrill, 1900) (basis of record)
Cnemidocarpa annectens (Hartmeyer, 1921) (additional source)
Cnemidocarpa finmarkiensis (Kiaer, 1893) (additional source)
Cnemidocarpa mollis (Stimpson, 1852) (additional source)
Cnemidocarpa mortenseni (Hartmeyer, 1912) (additional source)
Cnemidocarpa ohlini (Michaelsen, 1898) (basis of record)
Cnemidocarpa verrucosa (Lesson, 1830) (additional source)
Coelocormus huxleyi Herdman, 1886 (additional source)
Corella borealis Traustedt, 1886 (additional source)
Corella eumyota Traustedt, 1882 (additional source)
Corella minuta Traustedt, 1882 (additional source)
Corelloides molle Oka, 1926 (additional source)
Corellopsis pedunculata Hartmeyer, 1903 (additional source)
Cystodytes lobatus (Ritter, 1900) (basis of record)
Dendrodoa aggregata Müller, 1776 (additional source)
Dendrodoa carnea (Agassiz, 1850) (additional source)
Dendrodoa grossularia (Van Beneden, 1846) (additional source)
Dendrodoa lineata (Traustedt, 1880) (additional source)
Dendrodoa pulchella (Rathke, 1806) (additional source)
Diazona geayi Caullery, 1914 (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Didemnum candidum Savigny, 1816 (additional source)
Didemnum carnulentum Ritter & Forsyth, 1917 (additional source)
Didemnum chilense Ärnbäck, 1929 (additional source)
Didemnum santaelenae Van Name, 1945 (original description)
Didemnum studeri Hartmeyer, 1911 (additional source)
Didemnum tenue (Herdman, 1886) (additional source)
Didemnum vanderhorsti Van Name, 1924 (additional source)
Distaplia bermudensis Van Name, 1902 (additional source)
Distaplia clavata (Sars, 1851) (additional source)
Distaplia cylindrica (Lesson, 1830) (additional source)
Ecteinascidia conklini Berrill, 1932 (additional source)
Ecteinascidia turbinata Herdman, 1880 (additional source)
Eudistoma capsulatum (Van Name, 1902) (basis of record)
Eudistoma carolinense Van Name, 1945 (original description)
Eudistoma clarum (Van Name, 1902) (additional source)
Eudistoma diaphanes Ritter & Forsyth, 1917 (additional source)
Eudistoma hepaticum (Van Name, 1921) (basis of record)
Eudistoma mexicanum Van Name, 1945 (original description)
Eudistoma molle (Ritter, 1900) (basis of record)
Eudistoma obscuratum (Van Name, 1902) (basis of record)
Eudistoma olivaceum (Van Name, 1902) (basis of record)
Eudistoma pachecae Van Name, 1945 (original description)
Eudistoma platense Van Name, 1945 (original description)
Eudistoma psammion Ritter & Forsyth, 1917 (additional source)
Eudistoma ritteri Van Name, 1945 (original description)
Eudistoma tarponense Van Name, 1945 (original description)
Eugyra arenosa (Alder & Hancock, 1848) (additional source)
Eugyra arenosa californica Van Name, 1945 (original description)