Amaroucium longicaudatum Sluiter, 1912 accepted as Aplidium fuegiense (Cunningham, 1871) (original description)
Amaroucium vastum Sluiter, 1912 accepted as Aplidium vastum (Sluiter, 1912) (original description)
Caesira enodis Sluiter, 1912 accepted as Molgula enodis (Sluiter, 1912) (original description)
Cystodites antarcticus Sluiter, 1912 accepted as Cystodytes antarcticus Sluiter, 1912 (original description)
Cystodytes antarcticus Sluiter, 1912 (original description)
Leptoclinum longinquum Sluiter, 1912 accepted as Diplosoma longinquum (Sluiter, 1912) (original description)
Macroclinum pererratum Sluiter, 1912 accepted as Aplidium radiatum (Sluiter, 1906) (original description)
Microcosmus confluxus Sluiter, 1912 accepted as Molgula enodis (Sluiter, 1912) (original description)
Pyura liouvillia Sluiter, 1912 accepted as Bathypera splendens Michaelsen, 1904 (original description)
Styela tholiformis (Sluiter, 1912) accepted as Styela squamosa Herdman, 1881 (original description)
Tethyum insinuosum Sluiter, 1912 accepted as Dicarpa insinuosa (Sluiter, 1912) (original description)
Tethyum quidni Sluiter, 1912 accepted as Styela wandeli (Sluiter, 1911) (original description)
Tethyum serpentinum Sluiter, 1912 accepted as Styela serpentina (Sluiter, 1912) accepted as Cnemidocarpa pfefferi (Michaelsen, 1898) (original description)
Tethyum tholiforme Sluiter, 1912 accepted as Styela squamosa Herdman, 1881 (original description)