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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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Genus Craterocephalus
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Species Craterocephalus stercusmuscarum
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Craterocephalus stercusmuscarum stercusmuscarum
Fly-specked hardyhead
(Also: Freshwater hardyhead; Line-eye; Mitchellian hardyhead; Northern fresh water hardyhead)