Xenophidia
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 King Cobra, an elapid.
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Xenophidia is a superfamily of the suborder Serpentes (snakes) that contains cobras, vipers, sea snakes and the majority of snake species. Almost all venomous snakes belong to this superfamily which is considered to be advanced from an evolutionary point of view.
[edit] Families
- Atractaspididae (mole vipers).
- Colubridae (rear-fanged snakes).
- Elapidae (cobras, adders, mambas, coral snakes and kraits).
- Hydrophiidae (sea snakes).
- Viperidae (vipers, pit vipers and rattlesnakes).
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