Eucalanus attenuatus (Dana, 1849) accepted as Pareucalanus attenuatus (Dana, 1849)
Eucalanus crassus Giesbrecht, 1888 accepted as Subeucalanus crassus (Giesbrecht, 1888)
Eucalanus elongatus (Dana, 1849) represented as Eucalanus elongatus elongatus (Dana, 1849)
Eucalanus elongatus elongatus (Dana, 1849)
Eucalanus subtenuis Giesbrecht, 1888 accepted as Subeucalanus subtenuis (Giesbrecht, 1888)
Pareucalanus attenuatus (Dana, 1849)
Subeucalanus crassus (Giesbrecht, 1888)
Subeucalanus monachus (Giesbrecht, 1888)
Subeucalanus mucronatus (Giesbrecht, 1888)
Subeucalanus pileatus (Giesbrecht, 1888)
Subeucalanus subcrassus (Giesbrecht, 1888)
Subeucalanus subtenuis (Giesbrecht, 1888)