sand bottoms, 0°-22°C, pelagic and epibenthic carnivore 

 (Bousfieid 1973; Steele and Steele 1973). 



Central part of Georges Bank, 20-59 m, sand bottom, 

 7.6''-ll.rC. 

 Haliragesfulvocinclus (M. Bars, 1854). Circumpolar Arctic; 

 in western Atlantic: Arctic south to New England coast; 

 10-400 m, gravel and clay bottoms, epibenthic (Sars 1895; 

 Stephensen 1938). 



Western Basin of Georges Bank, 157-183 m, silt-clay 

 bottom, 6.6°-6.8°C. 

 Haliragoides inermis (C . O. Sars, 1882). Arctic-Atlantic; in 

 western Atlantic: Arctic south to Gulf of St. Lawrence; 

 30-2,000 m, silt-clay bottoms, epibenthic (Sars 1895; 

 Stephensen 1938). 



Western Basin and Northern Edge of Georges Bank 

 (southern range extension), 152-196 m, gravel to sih-clay 

 bottoms, 6.6°-7.7°C. 



Family Paramphithoidae 



Epimeria loricata G. O. Sars, 1879. Arctic-Boreal regions 

 of North Atlantic; in western Atlantic: Arctic to New 

 Jersey; 150-1,400 m, mud bottoms (Sars 1895; Stephensen 

 1938; Watling 1979). 



Western Basin and Northern Edge of Georges Bank, 

 157-183 m, sand and silt-clay bottoms, 6.6°-7.6°C. 



Superfamily Oedicerotoidea 

 Family Oedicerotidae 



Bathyinedon saitsserei (Boeck, 1871). Boreal North Atlan- 

 tic; not previously recorded in western Atlantic; 100-600 m, 

 burrowing detritivore (Sars 1895; Stephensen 1938). 



Western Basin and Northern Edge of Georges Bank (first 

 western Atlantic records), 154-179 m, sand bottoms, 

 7.6°C. 

 Monoculodes edwardsi Holmes, 1908. Western Atlantic: 

 Gulf of St. Lawrence south to Florida; 0-80 m, sand bot- 

 toms, burrowing detritivore (Bousfieid 1973; Dickinson et 

 al. 1980). 



Central Georges Bank, 20-179 m, sand and gravel bot- 

 toms, 7.1°-12.6°C, most abundant species in epibenthic 

 collections. 

 Monoculodes intermedius Shoemaker, 1930. Boreal regions 

 of North Atlantic; in western Atlantic: Gulf of St. Law- 

 rence south to Cape Cod Bay; 5-50 m, sand bottoms, bur- 

 rowing detritivore (Bousfieid 1973). 



Northeast Peak of Georges Bank, 101 m, gravel bottom, 

 8.2 °C. 

 Monoculodes lalimanus (Goes, 1866). Boreo-Arctic regions 

 of North Atlantic; in western Atlantic: Arctic south to Gulf 

 of St. Lawrence; 5-100 m, burrowing detritivore (Sars 

 1895; Stephensen 1938; Bousfieid 1973). 

 Southern Georges Bank, 84 m, gravel bottom. 

 Monoculopsis longicornis (Boeck, 1871). Arctic-Boreal re- 

 gions of North Atlantic; in western Atlantic: Arctic south 

 to Gulf of St. Lawrence; 0-100 m, sand and mud bottoms, 

 burrowing detritivore (Sars 1895; Stephensen 1938). 



Northern Edge of Georges Bank (southern range exten- 

 sion), 156-168 m, sand bottom. 

 Synchelidium americanum Bousrield, 1973. Western Atlan- 

 tic: Central Maine to Georgia; 0-40 m, sand bottoms, bur- 

 rowing detritivore (Bousfieid 1973; Dickinson et al. 1980). 



Southern Georges Bank, 73-84 m, sand and gravel bot- 

 toms, 10.5 °C. 

 Westwoodilla megalops (G. O. Sars, 1882). Arctic-Boreal 

 regions of North Atlantic and Arctic Oceans; in western 

 Atlantic: Arctic south to Gulf of St. Lawrence; 10-90 m, 

 burrowing detritivore (Sars 1895; Stephensen 1938). 



Northeast Peak of Georges Bank (southern range exten- 

 sion), 192 m, sand bottom. 



Superfamily Leucothoidea 

 Family Pleustidae 



Neopleustes pulchellus Kr^yer, 1846. Arctic-Boreal regions 

 of North Atlantic; in western Atlantic: Arctic south to 

 Georges Bank; 40-800 m, rock and gravel bottoms, epiben- 

 thic (Sars 1895; Stephensen 1938; Bousfieid 1973). 



Northeast Peak of Georges Bank, 84-108 m, gravel 

 bottom. 

 Pleustes panoplus Kr«)yer, 1838. Circumpolar; in western 

 Atlantic: Arctic south to New England coast; 10-280 m, 

 sand and gravel bottoms, epibenthic (Sars 1895; Stephen- 

 sen 1938). 



Southern Georges Bank and Northeast Peak, 71-103 m, 

 gravel to sand bottoms, 7.2°-7.7°C. 

 Pleusymtes glaber Boeck, 1861. Boreal regions of North 

 Atlantic; in western Atlantic: Labrador to Chesapeake 

 Bay; 5-120 m, rocky bottoms (Gurjanova 1951; Bousfieid 

 1973). 



Great South Channel and Northeast Peak of Georges 

 Bank, 48-146 m, sand and gravel bottoms, 7.4°-8.9°C. 

 Slenopleusles gracilis Holmes, 1905. Western Atlantic: 

 Cape Cod south to Chesapeake Bay, 5-50 m, sand bottoms 

 (Bousfieid 1973; Dickinson et al. 1980). 



Great South Channel and Northeast Peak of Georges 

 Bank, 58-103 m, sand and gravel bottoms, 7.1°-8.4°C. 

 Slenopleusles inermis Shoemaker, 1949. Western Atlantic: 

 Gulf of Maine south to Delaware Bay; 5-100 m, sand and 

 silty sand bottoms, epibenthic (Bousfieid 1973; Dickinson 

 et al. 1980). 



Southern Georges Bank, 66-95 m, sand bottom. 



Family Amphilochidae 

 A mphilochoides odonlyx (Boeck, 1871). Boreal regions of 

 North Atlantic; in western Atlantic: Arctic south to New 

 Jersey; 20-120 m, sand to silt-clay bottoms (Sars 1895; 

 Stephensen 1938; Watling 1979). 



Southern Georges Bank, 84 m, gravel bottom, 10.4°C. 

 Gitanopsis arctica G. O. Sars, 1895. Arctic-Boreal regions 

 of North Atlantic; in western Atlantic: Arctic south to Gulf 

 of St. Lawrence; 10-100 m, silt-clay bottoms (Sars 1895; 

 Stephensen 1938). 



Northern Edge of Georges Bank (southernmost record in 

 western Atlantic), 64 m. 



Family Stenothoidae 

 Slenothoe minuta Holmes, 1905. Western Atlantic: Cape 

 Cod south to Georgia; 0-40 m, usually associated with 

 hydroids and bryozoans (Bousfieid 1973). 



Southern Georges Bank, 64-73 m, sand bottom. 

 Slenula peltata (Smith, 1873). Western Atlantic: Arctic to 

 Gulf of St. Lawrence; 50-200 m (Gosner 1971; Bousfieid 

 1973). 

 Perimeter of Georges Bank, 70-179 m, sand. 



