Ascidia callosa Stimpson, 1852 (original description)
Ascidia geometrica Stimpson, 1852 accepted as Chelyosoma macleayanum Broderip & Sowerby, 1830 (original description)
Ascidia tenella Stimpson, 1852 accepted as Ciona intestinalis (Linnaeus, 1767) (original description)
Boltenia rubra Stimpson, 1852 accepted as Boltenia ovifera (Linnaeus, 1767) (original description)
Cynthia gutta Stimpson, 1852 accepted as Dendrodoa carnea (Agassiz, 1850) (original description)
Cynthia partita Stimpson, 1852 accepted as Styela canopus (Savigny, 1816) (original description)
Cynthia subcaerulea Stimpson, 1852 (original description)
Cynthia vittata Stimpson, 1852 accepted as Pyura vittata (Stimpson, 1852) (original description)
Glandula Stimpson, 1852 accepted as Polycarpa Heller, 1877 (original description)
Glandula fibrosa Stimpson, 1852 accepted as Polycarpa fibrosa (Stimpson, 1852) (original description)
Glandula mollis Stimpson, 1852 accepted as Cnemidocarpa mollis (Stimpson, 1852) (original description)
Molgula arenata Stimpson, 1852 (original description)
Molgula producta Stimpson, 1852 accepted as Molgula complanata Alder & Hancock, 1870 (original description)
Molgula sordida Stimpson, 1852 accepted as Molgula manhattensis (De Kay, 1843) (original description)
Pera Stimpson, 1852 accepted as Molgula Forbes, 1848 (original description)
Pera pellucida Stimpson, 1852 accepted as Molgula griffithsii (MacLeay, 1825) (original description)