Geographic location
Pacific
92
Indian
26
Rugosa
10
Antarctic
9
Sira
8
Shackleton
4
The Antarctic
4
Antarctic Ocean
3
Kerguelen
3
Gibba
2
Keller
2
Mitra
2
Rotunda
2
Antarctic Peninsula
1
Arctic
1
Austral
1
Canada
1
Caron
1
Curva
1
Greenland
1
Hess
1
Kennett
1
Khaya
1
New Zealand
1
Prydz Bay
1
Southern Ocean
1
Weddell
1
Weddell Sea
1
Yvon
1