Geographic location
Indian
Pacific
Weddell
7
Weddell Sea
7
Antarctic
5
Southern Ocean
3
Annenkova
2
Canada
2
Malmgren
2
McIntosh
2
Rouse
2
The Antarctic
2
Adriana
1
Arctic
1
Austral
1
Bakker
1
Bellingshausen Sea
1
Bertrand
1
Bingham
1
British Columbia
1
Christiania
1
Christoffersen
1
Drake Passage
1
Dronning Maud Land
1
Greenland
1
Herdman
1
Hernandez
1
Lamarck
1
Noire
1
Norway
1
Queensland
1
Rodriguez
1
Roten
1
Treadwell
1