Amaroucium glabrum Verrill, 1871 accepted as Aplidium glabrum (Verrill, 1871) (additional source)
Amaroucium pallidum Verrill, 1871 accepted as Aplidium pallidum (Verrill, 1871) (additional source)
Amaroucium stellatum Verrill, 1871 accepted as Aplidium stellatum (Verrill, 1871) (basis of record)
Amphiporus angulatus (Müller, 1774) (additional source)
Amphiporus griseus (Stimpson, 1855) (additional source)
Amphiporus ochraceus (Verrill, 1873) (additional source)
Ascidia callosa Stimpson, 1852 (additional source)
Boltenia echinata (Linnaeus, 1767) (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Bostrichobranchus pilularis (Verrill, 1871) (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Carcinonemertes carcinophila (Kölliker, 1845) (additional source)
Chalinula loosanoffi (Hartman, 1958) (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Dendrodoa grossularia (Van Beneden, 1846) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Didemnum candidum Savigny, 1816 (additional source)
Eukrohnia hamata (Möbius, 1875) (additional source)
Fragilonemertes rosea (Leidy, 1851) (additional source)
Fritillaria borealis Lohmann, 1896 (additional source)
Halichondria bowerbanki Burton, 1930 represented as Halichondria (Halichondria) bowerbanki Burton, 1930 (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Leucosolenia cancellata Verrill, 1873 accepted as Clathrina cancellata (Verrill, 1873) (additional source)
Lineus arenicola (Verrill, 1873) (additional source)
Lineus bicolor Verrill, 1892 accepted as Tenuilineus bicolor (Verrill, 1892) accepted as Siphonenteron bicolour (Verrill, 1892) (additional source)
Micrura affinis (Stimpson, 1854) (additional source)
Molgula arenata Stimpson, 1852 (basis of record)
Molgula citrina Alder & Hancock, 1848 (additional source)
Molgula manhattensis (De Kay, 1843) (additional source)
Molgula provisionalis Van Name, 1945 (additional source)
Molgula retortiformis Verrill, 1871 (additional source)
Molgula siphonalis Kiaer, 1896 (additional source)
Oikopleura (Vexillaria) labradoriensis Lohmann, 1892 (additional source)
Pione vastifica (Hancock, 1849) (additional source)
Placopecten magellanicus (Gmelin, 1791) (additional source)
Procephalothrix spiralis (Coe, 1930) accepted as Cephalothrix spiralis Coe, 1930 (additional source)
Ramphogordius sanguineus (Rathke, 1799) accepted as Lineus sanguineus (Rathke, 1799) (additional source)
Salpa fusiformis Cuvier, 1804 (additional source)
Serratosagitta serratodentata (Krohn, 1853) (additional source)
Serratosagitta tasmanica (Thompson, 1947) (additional source)
Sigalion arenicola Verrill, 1880 (basis of record)
Styela partita (Stimpson, 1852) accepted as Styela canopus (Savigny, 1816) (additional source)
Synchaeta johanseni Harring, 1921 (additional source)
Tetrastemma candidum (Müller, 1774) (additional source)
Tetrastemma elegans (Girard, 1852) (additional source)
Tetrastemma vittatum Verrill accepted as Cyanophthalma cordiceps (Jensen, 1878) sensu Norenburg, 1986 (additional source)
Thalia democratica (Forskål, 1775) (additional source)
Trichocerca stylata (Gosse, 1851) (basis of record)
Zygonemertes virescens (Verrill, 1879) (additional source)