Hydrophis melanocephalus

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Hydrophis melanocephalus


Taxonavigation: Elapoidea 

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Elapoidea

Familia: Elapidae
Subfamilia: Hydrophiinae
Genus: Hydrophis
Species: Hydrophis melanocephalus


  • Hydrophis melanocephalus Gray, 1849

Lectotype: BMNH 1946.1.9.22 (formerly BMNH 1847.3.4.68), adult ♀, presented by E. Belcher [Samarang Exped.] in 1847. [designated by Stejneger (1907: 426)]

Type locality: “Indian Ocean” (in error) fide Stejneger (1907: 425) and Smith (1926: 65), redesigned by lectotype designation to “China Sea or even…the Ryukyus”.


  • Hydrophis spiralis melanocephalus Gray, 1849: 53 [original combination, as subspecies]
  • Hydrophis melanocephalusBoulenger, 1896: 283 [subsequent combination, elevate to species]


Primary references[edit]

  • Gray, J.E. 1849. Catalogue of the specimens of snakes in the collection of the British Museum. Edward Newman: London. i–xv + 1–125. BHL Reference page. 


Vernacular names[edit]

English: Slender-necked Sea Snake
日本語: クロガシラウミヘビ
Wikimedia Commons For more multimedia, look at Hydrophis melanocephalus on Wikimedia Commons.