| Taxonomic Hierarchy 
        
          |  |  |  |  |  |  | Kingdom | Animalia 
 – Animal, animaux, animals |  |  |  | Subkingdom | Bilateria 
 – triploblasts |  |  |  | Infrakingdom | Deuterostomia |  |  |  | Phylum | Chordata 
 – cordés, cordado, chordates |  |  |  | Subphylum | Vertebrata 
 – vertebrado, vertébrés, vertebrates |  |  |  | Infraphylum | Gnathostomata |  |  |  | Superclass | Tetrapoda |  |  |  | Class | Reptilia Laurenti, 1768
 – répteis, reptiles, Reptiles |  |  |  | Order | Squamata Oppel, 1811
 – Amphisbaenians, Lizards, Snakes, amphisbènes, lézards, serpents |  |  |  | Suborder | Serpentes Linnaeus, 1758
 – Snakes, cobra, serpente, serpents |  |  |  | Infraorder | Alethinophidia Nopcsa, 1923 |  |  |  | Family | Elapidae F. Boie, 1827
 – Cobras, Coral Snakes, Elapids, Kraits, Coralsnakes |  |  |  | Subfamily | Hydrophiinae Fitzinger, 1843 |  |  |  | Genus | Hydrophis Latreille in Sonnini and Latreille, 1801 |  |  |  | Species | Hydrophis ornatus (Gray, 1842) – Ornate Reef Seasnake |  |  
          |  |  | Direct Children: |  |  |  | Subspecies | Hydrophis ornatus godeffroyi W. C. H. Peters, 1873 |  |  |  | Subspecies | Hydrophis ornatus maresinensis Mittleman, 1947 |  |  |  | Subspecies | Hydrophis ornatus ornatus (Gray, 1842) |  |  
          |  |  |  |  |  |