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Kingdom Animalia (animals)
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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Phylum Chordata (chordates)
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Craniata (craniates)
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Subphylum Vertebrata (vertebrates)
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Superclass Gnathostomata (jawed vertebrates)
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Euteleostomi (bony vertebrates)
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Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
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Tetrapoda (tetrapods)
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Amniota (amniotes)
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Class Reptilia
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Order Squamata
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Family Colubridae
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Genus Nerodia
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Species Nerodia clarkii -



Species Nerodia cyclopion (Mississippi Green Water Snake) -
Species Nerodia erythrogaster (Plainbelly Water Snake)
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Species Nerodia fasciata (Southern Water Snake) -



Species Nerodia floridana -



Species Nerodia harteri (Brazos Water Snake, Harters Water Snake) -



Species Nerodia paucimaculata -



Species Nerodia rhombifer (Diamondback Water Snake) -
Species Nerodia sipedon (Northern Water Snake)
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Species Nerodia taxispilota (Brown Water Snake)
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Confused by a class within a class or an order within an order? Please see our brief essay.
Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.



