Argulus argulus Leach, 1814 accepted as Argulus foliaceus (Linnaeus, 1758) (source of synonymy)
Arpacticus chelifer Baird, 1850 accepted as Harpacticus chelifer (Müller O.F., 1776) (original description)
Caligus centrodonti Baird, 1850 (original description)
Canthocamptus furcatus Baird, 1850 accepted as Tisbe furcata (Baird, 1837) represented as Tisbe furcata furcata (Baird, 1837) (original description)
Cecropidae Dana, 1852-1853 accepted as Pandaridae Milne Edwards, 1840 (additional source)
Cyclops finmarchicus Müller O.F., 1776 accepted as Calanus finmarchicus (Gunnerus, 1770) (source of synonymy)
Cyclops geoffroyi Samouelle, 1819 accepted as Cyclops quadricornis (Linnaeus, 1758) represented as Cyclops quadricornis quadricornis (Linnaeus, 1758) (source of synonymy)
Cyclops inermis Tilesius, 1812 accepted as Canthocamptus minuticornis (Müller O.F., 1785) accepted as Ectinosoma melaniceps Boeck, 1865 (source of synonymy)
Cyclops minutus Claus, 1863 accepted as Metacyclops minutus (Claus, 1863) represented as Metacyclops minutus minutus (Claus, 1863) (source of synonymy)
Cyclops minutus Müller O.F., 1776 accepted as Canthocamptus minutus (Müller O.F., 1776) accepted as Bryocamptus (Bryocamptus) minutus (Claus, 1863) represented as Bryocamptus (Bryocamptus) minutus minutus (Claus, 1863) (source of synonymy)
Dactylopus stroemii Baird, 1850 accepted as Dactylopusia stroemii (Baird, 1850) (original description)
Lepeophtheirus obscurus Baird, 1850 accepted as Lepeophtheirus hippoglossi (Krøyer, 1837) (original description)
Lepeophtheirus thompsoni Baird, 1850 (original description)
Lernentoma lophii Baird, 1850 accepted as Chondracanthus lophii Johnston, 1836 (original description)
Temora Baird, 1850 (original description)
Temora finmarchica Baird, 1850 accepted as Temora longicornis (Müller O.F., 1785) (original description)