Eucalanus attenuatus (Dana, 1849-1852) accepted as Pareucalanus attenuatus (Dana, 1849-1852)
Eucalanus crassus Giesbrecht, 1888 accepted as Subeucalanus crassus (Giesbrecht, 1888)
Eucalanus elongatus (Dana, 1849-1852) represented as Eucalanus elongatus elongatus (Dana, 1849-1852
Eucalanus elongatus elongatus (Dana, 1849-1852
Eucalanus subtenuis Giesbrecht, 1888 accepted as Subeucalanus subtenuis (Giesbrecht, 1888)
Pareucalanus attenuatus (Dana, 1849-1852)
Subeucalanus crassus (Giesbrecht, 1888)
Subeucalanus monachus (Giesbrecht, 1888)
Subeucalanus mucronatus (Giesbrecht, 1888)
Subeucalanus pileatus (Giesbrecht, 1888)
Subeucalanus subcrassus (Giesbrecht, 1888)
Subeucalanus subtenuis (Giesbrecht, 1888)