| Taxonomic Range: |
| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Bougainvilliidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Bougainvillia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | britannica |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Bougainvilliidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Bougainvillia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | principis |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Capitata |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Hybocodon |
| Classification: |
| Rank Name: | Species |
| Rank Value: | prolifer |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Corymorphidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Steenstrupia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | nutans |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Corynidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Sarsia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | gemmifera |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Corynidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Sarsia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | tubulosa |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Hydractiniidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Podocoryne |
| Classification: |
| Rank Name: | Species |
| Rank Value: | borealis |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Oceaniidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Turritopis |
| Classification: |
| Rank Name: | Species |
| Rank Value: | nutricula |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Pandeidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Leuckartiara |
| Classification: |
| Rank Name: | Species |
| Rank Value: | octona |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Anthoathecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Rathkeidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Rathkea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | octopunktata |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptomedusae |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Campanulariidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Obelia |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Aequoreidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Aequorea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | vitrina |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Campanulariidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Laomedea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | dichotoma |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Campanulariidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Laomedea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | gelatinosa |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Campanulariidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Laomedea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | longissima |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Campanulariidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Phialidium |
| Classification: |
| Rank Name: | Species |
| Rank Value: | hemisphaericum |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Eirenidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Eutima |
| Classification: |
| Rank Name: | Species |
| Rank Value: | gegenbauri |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Eirenidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Eutima |
| Classification: |
| Rank Name: | Species |
| Rank Value: | gracilis |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Eirenidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Tima |
| Classification: |
| Rank Name: | Species |
| Rank Value: | bairdi |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Hydrozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Leptothecata |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Olindiasidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Gossea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | corynetes |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Scyphozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Semaeostomeae |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Cyaneidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Cyanea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | capillata |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Scyphozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Semaeostomeae |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Cyaneidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Cyanea |
| Classification: |
| Rank Name: | Species |
| Rank Value: | lamarckii |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Scyphozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Semaeostomeae |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Pelagiidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Chrysaora |
| Classification: |
| Rank Name: | Species |
| Rank Value: | hysoscella |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Cnidaria |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Scyphozoa |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Semaeostomeae |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Ulmaridae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Aurelia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | aurita |
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| Classification: |
| Rank Name: | Phylum |
| Rank Value: | Ctenophora |
| Classification: |
| Rank Name: | Class |
| Rank Value: | Tentaculata |
| Classification: |
| Rank Name: | Order |
| Rank Value: | Cydippida |
| Classification: |
| Rank Name: | Family |
| Rank Value: | Pleurobrachiidae |
| Classification: |
| Rank Name: | Genus |
| Rank Value: | Pleurobrachia |
| Classification: |
| Rank Name: | Species |
| Rank Value: | pileus |
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