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Animalia
132
Biodiversity
132
Echinodermata
132
Taxonomy
132
Ophiuroidea
58
Ophiurida
56
Echinoidea
40
Ophiacanthidae
28
Ophiacantha
20
Asteroidea
18
Ophiuridae
18
Holothuroidea
12
Camarodonta
8
Echinothurioida
8
Elasipodida
8
Spatangoida
8
Echinothuriidae
6
Velatida
6
Aspidochirotida
4
Brisingida
4
Cidaroida
4
Comatulida
4
Crinoidea
4
Echinidae
4
Elpidiidae
4
Freyellidae
4
Gracilechinus
4
Mesothuria
4
Mesothuriidae
4
Ophiocten
4
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Andreas
132
Ricardo
132
Paterson
52
Grieg
42
Rockall Trough
26
Gage
24
Benavides
22
Perrier
22
Pacific
20
Mid-Atlantic Ridge
18
Norway
16
Greenland
14
Indian
14
Perez
14
Josephine
10
Maria Island
10
Pawson
8
Sladen
8
Charcot
6
Marcos
6
Meteor Seamounts
6
Reykjanes
6
Diaz
4
Koren
4
Lamarck
4
Morton
4
Theodore
4
Tristan
4
Arctic
2
Barents Sea
2
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