Acanthonotozoma serratum (O. Fabricius, 1780) (additional source)
Aeginina longicornis (Krøyer, 1843) (additional source)
Ampelisca macrocephala Liljeborg, 1853 (additional source)
Ampelisca vadorum Mills, 1963 (additional source)
Amphiporeia lawrenciana Shoemaker, 1929 (additional source)
Ampithoe rubicata (Montagu, 1808) accepted as Ampithoe rubricata (Montagu, 1808) (additional source)
Anonyx lilljeborgi Boeck, 1871 (additional source)
Anonyx sarsi Steele & Brunel, 1968 (additional source)
Byblis gaimardi (Krøyer, 1846) accepted as Byblis gaimardii (Krøyer, 1846) (additional source)
Byblis serrata S.I. Smith, 1873 (additional source)
Calliopius laeviusculus (Krøyer, 1838) (additional source)
Caprella linearis (Linnaeus, 1767) (additional source)
Caprella penantis Leach, 1814 (additional source)
Caprella septentrionalis Krøyer, 1838 (additional source)
Caprella unica Mayer, 1903 (additional source)
Casco bigelowi (Blake, 1929) (additional source)
Corophium bonelli H. Milne Edwards, 1830 accepted as Crassicorophium bonellii (H. Milne Edwards, 1830) (additional source)
Corophium crassicorne Bruzelius, 1859 accepted as Crassicorophium crassicorne (Bruzelius, 1859) (additional source)
Corophium insidiosum Crawford, 1937 accepted as Monocorophium insidiosum (Crawford, 1937) (additional source)
Dexamine thea Boeck, 1861 (additional source)
Epimeria loricata G. O. Sars, 1879 represented as Epimeria (Epimeria) loricata G.O. Sars, 1879 (additional source)
Ericthonius difformis H. Milne Edwards, 1830 (additional source)
Ericthonius rubricornis (Stimpson, 1853) (additional source)
Eulimnogammarus obtusatus (Dahl, 1938) accepted as Gammarus obtusatus Dahl, 1938 accepted as Echinogammarus obtusatus (Dahl, 1938) accepted as Marinogammarus obtusatus (Dahl, 1938) (additional source)
Eusirus cuspidatus Krøyer, 1845 (additional source)
Gammarellus angulosus (Rathke, 1843) (additional source)
Gammaropsis melanops G.O. Sars, 1883 (additional source)
Gammaropsis nitida (Stimpson, 1853) (additional source)
Gammarus annulatus Smith, 1873 (additional source)
Gammarus lawrencianus Bousfield, 1956 (additional source)
Gammarus oceanicus Segerstråle, 1947 (additional source)
Gammarus setosus Dementieva, 1931 (additional source)
Gronella groenlandica (Hansen, 1888) (additional source)
Haploops setosa Boeck, 1871 (additional source)
Haploops spinosa Shoemaker, 1931 (basis of record)
Haploops tubicola Liljeborg, 1856 (additional source)
Harpinia plumosa (Krøyer, 1842) (additional source)
Harpinia propinqua G.O. Sars, 1891 accepted as Harpinia propinqva G.O.Sars, 1891 (additional source)
Hippomedon serratus Holmes, 1903 (additional source)
Hyale prevosti (H. Milne Edwards, 1830) accepted as Apohyale prevostii (H. Milne Edwards, 1830) (additional source)
Hyperia galba (Montagu, 1813) (additional source)
Hyperia medusarum (Müller, 1776) (additional source)
Ischyrocerus anguipes Krøyer, 1838 (additional source)
Ischyrocerus megacheir (Boeck, 1871) (additional source)
Jassa marmorata Holmes, 1905 (additional source)
Leptocheirus pinguis (Stimpson, 1853) (additional source)
Maera danae (Stimpson, 1853) (additional source)
Marinogammarus finmarchicus (Dahl, 1938) accepted as Gammarus finmarchicus Dahl, 1938 accepted as Echinogammarus finmarchicus (Dahl, 1938) accepted as Echinogammarus incertae sedis finmarchicus (Dahl, 1938) (additional source)
Melita dentata (Krøyer, 1842) accepted as Megamoera dentata (Krøyer, 1842) (additional source)
Melphidippa goesi Stebbing, 1899 (additional source)
Metopa alderi (Spence Bate, 1857) (additional source)
Metopa groenlandica Hansen, 1888 (additional source)
Metopa solsbergi Schneider, 1884 accepted as Stenula solsbergi (Schneider, 1884) (additional source)
Monoculodes intermedius Shoemaker, 1930 accepted as Deflexilodes intermedius (Shoemaker, 1930) (additional source)
Orchestia gammarella (Pallas, 1766) accepted as Orchestia gammarellus (Pallas, 1766) (additional source)
Orchestia platensis Krøyer, 1845 accepted as Platorchestia platensis (Krøyer, 1845) (additional source)
Orchomene macroserrata Shoemaker, 1930 accepted as Orchomene macroserratus Shoemaker, 1930 (additional source)
Orchomenella minuta (Krøyer, 1846) (additional source)
Orchomenella pinguis (Boeck, 1861) (additional source)
Paramphithoe hystrix (Ross, 1835) (additional source)
Paroediceros lynceus (M. Sars, 1858) (additional source)
Photis reinhardi Krøyer, 1842 (additional source)
Phoxocephalus holbolli (Krøyer, 1842) (additional source)
Pleustes panoplus (Krøyer, 1838) accepted as Pleustes panopla (Krøyer, 1838) represented as Pleustes (Pleustes) panoplus (Krøyer, 1838) (additional source)
Pleusymtes glaber (Boeck, 1861) (additional source)
Podoceropsis nitida (Stimpson, 1853) accepted as Gammaropsis nitida (Stimpson, 1853) (additional source)
Pontogeneia inermis (Krøyer, 1838) (additional source)
Proboloides holmesi Bousfield, 1973 (basis of record)
Stegocephalus inflatus Krøyer, 1842 (additional source)
Stenopleustes inermis Shoemaker, 1949 accepted as Gracilipleustes inermis (Shoemaker, 1949) (additional source)
Syrrhoe crenulata Goës, 1866 (additional source)
Themisto compressa Goës, 1866 (additional source)
Unciola inermis Shoemaker, 1945 (additional source)
Unciola irrorata Say, 1818 (additional source)

Cobscook Bay for Acanthonotozoma serratum (O. Fabricius, 1780) 
Cobscook Bay for Aeginina longicornis (Krøyer, 1843) 
Cobscook Bay for Ampelisca macrocephala Liljeborg, 1853 
Cobscook Bay for Ampelisca vadorum Mills, 1963 
Cobscook Bay for Amphiporeia lawrenciana Shoemaker, 1929 
Cobscook Bay for Ampithoe rubicata (Montagu, 1808) 
Cobscook Bay for Anonyx lilljeborgi Boeck, 1871 
Cobscook Bay for Anonyx nugax (Phipps, 1774) 
Cobscook Bay for Anonyx sarsi Steele & Brunel, 1968 
Cobscook Bay for Byblis gaimardi (Krøyer, 1846) 
Cobscook Bay for Byblis serrata S.I. Smith, 1873 
Cobscook Bay for Calliopius laeviusculus (Krøyer, 1838) 
Cobscook Bay for Caprella linearis (Linnaeus, 1767) 
Cobscook Bay for Caprella penantis Leach, 1814 
Cobscook Bay for Caprella septentrionalis Krøyer, 1838 
Cobscook Bay for Caprella unica Mayer, 1903 
Cobscook Bay for Casco bigelowi (Blake, 1929) 
Cobscook Bay for Corophium bonelli H. Milne Edwards, 1830 
Cobscook Bay for Corophium crassicorne Bruzelius, 1859 
Cobscook Bay for Corophium insidiosum Crawford, 1937 
Cobscook Bay for Dexamine thea Boeck, 1861 
Cobscook Bay for Epimeria loricata G. O. Sars, 1879 
Cobscook Bay for Ericthonius difformis H. Milne Edwards, 1830 
Cobscook Bay for Ericthonius rubricornis (Stimpson, 1853) 
Cobscook Bay for Eulimnogammarus obtusatus (Dahl, 1938) 
Cobscook Bay for Eusirus cuspidatus Krøyer, 1845 
Cobscook Bay for Gammarellus angulosus (Rathke, 1843) 
Cobscook Bay for Gammaropsis melanops G.O. Sars, 1883 
Cobscook Bay for Gammaropsis nitida (Stimpson, 1853) 
Cobscook Bay for Gammarus annulatus Smith, 1873 
Cobscook Bay for Gammarus lawrencianus Bousfield, 1956 
Cobscook Bay for Gammarus oceanicus Segerstråle, 1947 
Cobscook Bay for Gammarus setosus Dementieva, 1931 
Cobscook Bay for Gronella groenlandica (Hansen, 1888) 
Cobscook Bay for Haploops setosa Boeck, 1871 
Cobscook Bay for Haploops spinosa Shoemaker, 1931 
Cobscook Bay for Haploops tubicola Liljeborg, 1856 
Cobscook Bay for Harpinia plumosa (Krøyer, 1842) 
Cobscook Bay for Harpinia propinqua G.O. Sars, 1891 
Cobscook Bay for Hippomedon serratus Holmes, 1903 
Cobscook Bay for Hyale prevosti (H. Milne Edwards, 1830) 
Cobscook Bay for Hyperia galba (Montagu, 1813) 
Cobscook Bay for Hyperia medusarum (Müller, 1776) 
Cobscook Bay for Ischyrocerus anguipes Krøyer, 1838 
Cobscook Bay for Ischyrocerus megacheir (Boeck, 1871) 
Cobscook Bay for Jassa marmorata Holmes, 1905 
Cobscook Bay for Leptocheirus pinguis (Stimpson, 1853) 
Cobscook Bay for Maera danae (Stimpson, 1853) 
Cobscook Bay for Marinogammarus finmarchicus (Dahl, 1938) 
Cobscook Bay for Melita dentata (Krøyer, 1842) 
Cobscook Bay for Melphidippa goesi Stebbing, 1899 
Cobscook Bay for Metopa alderi (Spence Bate, 1857) 
Cobscook Bay for Metopa groenlandica Hansen, 1888 
Cobscook Bay for Metopa solsbergi Schneider, 1884 
Cobscook Bay for Monoculodes intermedius Shoemaker, 1930 
Cobscook Bay for Orchestia gammarella (Pallas, 1766) 
Cobscook Bay for Orchestia platensis Krøyer, 1845 
Cobscook Bay for Orchomene macroserrata Shoemaker, 1930 
Cobscook Bay for Orchomenella minuta (Krøyer, 1846) 
Cobscook Bay for Orchomenella pinguis (Boeck, 1861) 
Cobscook Bay for Paramphithoe hystrix (Ross, 1835) 
Cobscook Bay for Paroediceros lynceus (M. Sars, 1858) 
Cobscook Bay for Photis reinhardi Krøyer, 1842 
Cobscook Bay for Phoxocephalus holbolli (Krøyer, 1842) 
Cobscook Bay for Pleustes panoplus (Krøyer, 1838) 
Cobscook Bay for Pleusymtes glaber (Boeck, 1861) 
Cobscook Bay for Podoceropsis nitida (Stimpson, 1853) 
Cobscook Bay for Pontogeneia inermis (Krøyer, 1838) 
Cobscook Bay for Proboloides holmesi Bousfield, 1973 
Cobscook Bay for Psammonyx nobilis (Stimpson, 1853) 
Cobscook Bay for Stegocephalus inflatus Krøyer, 1842 
Cobscook Bay for Stenopleustes inermis Shoemaker, 1949 
Cobscook Bay for Syrrhoe crenulata Goës, 1866 
Cobscook Bay for Themisto compressa Goës, 1866 
Cobscook Bay for Unciola inermis Shoemaker, 1945 
Cobscook Bay for Unciola irrorata Say, 1818