Geographic location
Arctic
4
Beck
Beneden
4
Bonnier
4
Contreras
4
Danforth
4
Giard
4
Guernsey
4
Hayward
4
Hippolyte
4
Holme
4
Markham
4
Midland
4
Montagu
4
Morton
4
Noire
4
Pacific
4
Perrier
4
Román
4
Van Beneden
4
Waterman
4
Atkinson
2
Brewster
2
Cornwall
2
Indian
2
Jorda
2
Kilen
2
Kolbeinsey
2
Kolbeinsey Ridge
2
Lamarck
2
Lankester
2
Lister
2
Mueller
2
New Zealand
2
Romero
2
Sorge
2
Van der Hoeven
2