Geographic location
Antarctic
Indian
Southern Ocean
19
The Antarctic
19
Pacific
18
Weddell
13
Weddell Sea
13
Antarctic Peninsula
4
Ross Sea
4
Scotia Sea
4
Drake Passage
3
Amarillo
1
Esmeralda
1
Gunnerus Ridge
1
Kainan Maru Seamount
1
Kerguelen
1
Lazarev
1
Lazarev Sea
1
Maud Rise
1
Meredith
1
Patagonia
1
Sandwich Islands
1
South Sandwich Islands
1
Van Veen
1
West Antarctica
1