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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Craniata (craniates)
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Euteleostomi (bony vertebrates)
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Order Syngnathiformes
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Genus Acentronura
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Genus Anarchopterus
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Genus Apterygocampus
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Genus Bhanotia
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Genus Bryx
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Genus Bulbonaricus
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Genus Campichthys
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Genus Choeroichthys
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Genus Corythoichthys
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Genus Cosmocampus
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Genus Doryichthys
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Genus Doryrhamphus
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Genus Dunckerocampus
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Genus Enneacampus
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Genus Entelurus
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Genus Festucalex
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Genus Filicampus
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Genus Halicampus
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Genus Haliichthys
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Genus Heraldia
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Genus Hippichthys
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Genus Hippocampus
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Genus Histiogamphelus
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Genus Hypselognathus
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Genus Ichthyocampus
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Genus Idiotropiscis
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Genus Kaupus
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Genus Kimblaeus
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Genus Kyonemichthys
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Genus Leptoichthys
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Genus Leptonotus
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Genus Lissocampus
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Genus Maroubra
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Genus Micrognathus
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Genus Microphis
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Genus Minyichthys
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Genus Mitotichthys
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Genus Nannocampus
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Genus Nerophis
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Genus Notiocampus
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Genus Penetopteryx
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Genus Phoxocampus
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Genus Phycodurus
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Genus Phyllopteryx
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Genus Pseudophallus
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Genus Pugnaso
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Genus Siokunichthys
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Genus Solegnathus
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Genus Stigmatopora
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Genus Stipecampus
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Genus Syngnathoides
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Genus Syngnathus
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Genus Trachyrhamphus
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Genus Urocampus
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Genus Vanacampus
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Syngnathidae
Pipefishes and seahorses