NAME DESIG. LAT. LONG. 
South Antillean Arc: see Scotia Ridge riage 57°00'S 27°00'W 
South Allantic Arc: see Scotia Ridge ridge 57°00'S 27°00'W 
South Sandwich Arc: see Scotia Ridge ridge 57°00'S 27°00'W 
South Sandwich Ridge ridge 58°00'S 27°00'W 
South Sandwich Trench trench 56°30'S 25°00'W 
Stidantillen-Bogen: see Scotia Ridge ridge 57°00'S 27°00'W 
Sud Sandwich, Ravin des: 
see South Sandwich Trench trench 56°30'S 25°00'W 
Vyust, Gora: see Wiist Seamount seamount 34°00'S 3°40'W 
Wiist Seamount seamount 34°00'S 3°40'W 
Yuzhno-Antil’skiy Khrebet: see Scotia Ridge ridge 57°00'S 27°00'W 
Yuzhno-Sandvicheva Vpadina: 
see South Sandwich Trench trench 56°30'S 25°00'W 
Zapiola Seamount seamount 38°15'S 26°15'W 
Zenker Seamount seamount 41°00'S 6°00'W 
Zeukev Sea Mount: see Zenker Seamount seamount 41°00'S 6°00'W 
30°-60°S., O°-30°E. 
Africana Seamount seamount 37°10'S 29°10'E 
Afrikansko-Antarkticheskaya Vozvyshennost’: 
see Atlantic-Indian Ridge ridge 53°00'S 15°00'E 
Afrikansko-Antarkticheskiy Khrebet: 
see Atlantic-Indian Ridge ridge 53°00'S 15°00'E 
Agulhas Bank bank 35°30'S 21°00'E 
Agulhas Banks: see Agulhas Bank bank 35°30'S 21°00'E 
Agulhas Basin basin 47°00'S 27°00'E 
Agulhas Plateau plateau 40°00'S 26°00'E 
Agulhas Rise: see Agulhas Plateau plateau 40°00'S 26°00'E 
Agulyas, Banka: see Agulhas Bank bank 35°30'S 21°00'E 
Agul yas, Kotlovina: see Agulhas Basin basin 47°00'S 27°00'E 
Aiguilles, Banc des: see Agulhas Bank bank 35°30'S 21°00'E 
Al fred Mers, Gora: see Merz Seamount seamount 48°30'S 5°30'E 
Alfred Merz: see Merz Seamount seamount 48°30'S 5°30’E 
Argentina Seamount seamount 37°25'S 18°10'E 
Atlantic-Antarctic Ridge: see Atlantic-Indian Ridge ridge 53°00'S 15°00’E 
Atlantic-Indian Ridge ridge 53°00'S 15°00'E 
Atlantic-Indian Rise: see Atlantic-Indian Ridge ridge 53°00'S 15°00'E 
Atlantic Indian Swell: see Atlantic-Indian Ridge ridge 53°00'S 15°O0'E 
Atlantico-Indienne, Crete: see Atlantic-Indian Ridge ridge 53°00'S 15°00’E 
Brownes Bank bank 36°25'S ASE 
Cap, Fosse du: see Cape Basin basin 37°00'S 7°00'E 
Cape Basin basin 37°00'S 7°00'E 
Cape of Good Hope Trough: see Cape Basin basin 37°00'S 7°00'E 
Cape Plain plain 34°45'S 6°00'E 
Cape Ridge: see Agulhas Plateau plateau 40°00'S 26°00'E 
Cape Rise: see Agulhas Plateau plateau 40°00'S 26°00'E 
Cape Rise rise 42°00'S 15°O0'E 
Cape Swell: see Cape Rise rise 42°00'S 15°O0'E 
Cape Trough: see Cape Basin basin 37°00'S 7°O0'E 
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