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species
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Animalia
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Cnidaria
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Hydrozoa
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Leptothecata
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Campanulinidae
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Calycella
Campanulina
Cuspidella
Egmundella
Lafoeina
Opercularella
Oplorhiza
Plicatotheca
Stegella
Tetrapoma
Tripoma
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Calycella