Calanus septentrionalis (Goodsir, 1843) accepted as Calanus finmarchicus (Gunnerus, 1770) (source of synonymy)
Calanus spitzbergensis Krøyer, 1843 accepted as Calanus finmarchicus (Gunnerus, 1770) (source of synonymy)
Cetochilus septentrionalis Goodsir, 1843 accepted as Calanus finmarchicus (Gunnerus, 1770) (source of synonymy)
Chiridius modestus With, 1915 accepted as Aetideopsis minor (Wolfenden, 1911) (original description)
Chiridius nasutus With, 1915 accepted as Aetideopsis multiserrata (Wolfenden, 1904) (original description)
Chirundina abyssalis With, 1915 accepted as Pseudochirella obtusa (Sars G.O., 1905) (original description)
Chirundina angulata Sars G.O., 1905 accepted as Undeuchaeta major Giesbrecht, 1888 (source of synonymy)
Eucalanus atlanticus Wolfenden, 1904 accepted as Eucalanus elongatus (Dana, 1849-1852) represented as Eucalanus elongatus elongatus (Dana, 1849-1852 (source of synonymy)
Euchaeta australis Brady, 1883 accepted as Undeuchaeta plumosa (Lubbock, 1856) (source of synonymy)
Euchaeta barbata farrani With, 1915 accepted as Paraeuchaeta barbata farrani With, 1915 (original description)
Euchaeta bradyi With, 1915 accepted as Paraeuchaeta bradyi (With, 1915) (original description)
Euchaeta farrani With, 1915 accepted as Paraeuchaeta farrani (With, 1915) accepted as Paraeuchaeta barbata (Brady, 1883) accepted as Paraeuchaeta barbata barbata (Brady, 1883) (original description)
Euchaeta hanseni With, 1915 accepted as Paraeuchaeta hansenii (With, 1915) (original description)
Euchaeta hansenii With, 1915 accepted as Paraeuchaeta hansenii (With, 1915) (original description)
Euchirella bitumida With, 1915 (original description)
Euchirella intermedia With, 1915 accepted as Euchirella truncata Esterly, 1911 (original description)
Gaetanus ferox With, 1915 accepted as Gaetanus miles Giesbrecht, 1888 (original description)
Onchocalanus affinis With, 1915 (original description)
Paraeuchaeta barbata farrani With, 1915 (original description)
Scolecithricella ingolfii With, 1915 accepted as Amallothrix ingolfi (With, 1915) accepted as Scolecithrix ingolfi (With, 1915) (original description)
Scottocalanus acutus Sars G.O., 1905 accepted as Scottocalanus securifrons (Scott T., 1894) (source of synonymy)
Scottocalanus thori With, 1915 (original description)
Scottocalanus thorii With, 1915 represented as Scottocalanus thori With, 1915 (original description)
Undeuchaeta superba With, 1915 accepted as Undeuchaeta incisa Esterly, 1911 (original description)
Undina plumosa Lubbock, 1856 accepted as Undeuchaeta minor Giesbrecht, 1888 accepted as Undeuchaeta plumosa (Lubbock, 1856) (source of synonymy)