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Animalia
20
Biodiversity
20
Cnidaria
20
Hydrozoa
Taxonomy
20
Trachymedusae
Ptychogastriidae
16
Ptychogastria
6
Glaciambulata
4
Glaciambulata neumayeri
4
Tesserogastria
4
Ptychogastria asteroides
2
Ptychogastria polaris
2
Rhopalonematidae
2
Tesserogastria musculosa
2
Voragonema
2
Voragonema tatsunoko
2
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