-
-
Eumetazoa (metazoans)
-
Bilateria (bilaterally symmetrical animals)
-
Deuterostomia (deuterostomes)
-
-
Craniata (craniates)
-
-
-
Euteleostomi (bony vertebrates)
-
-
Tetrapoda (tetrapods)
-
Amniota (amniotes)
-
-
Order Squamata
-
Family Hydrophiidae
-
Genus Hydrophis
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Hydrophis elegans
Elegant or bar-bellied seasnake