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Snakes are suborder within the order of ''Squamata'', class of reptiles (''Reptilia''), subphylum vertebrates, phylum ''Chordata''. They originate from lizard-like reptiles with legs. Their ancestors probably lived under the ground and lost their legs. The most primitive snakes (''Boidae'' and ''Pythonidae'') still have rudimentary back limbs.

Snakes are suborder within the order of ''Squamata'', class of reptiles (''Reptilia''), subphylum vertebrates, phylum ''Chordata''. They originate from lizard-like reptiles with legs. Their ancestors probably lived under the ground and lost their legs. The most primitive snakes (''Boidae'' and ''Pythonidae'') still have rudimentary back limbs.

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== Chinese markets, wild animals, live snakes and the Wuhan coronavirus epidemic ==

[[File:Chinese Cobra.jpg|thumbnail|200px|right|Some researchers believe the deadly coronavirus outbreak in Wuhan, China may have originated in snakes like the Chinese cobra pictured above.]]

[[File:Chinese Cobra.jpg|thumbnail|200px|right|Some researchers believe the deadly coronavirus outbreak in Wuhan, China may have originated in snakes like the Chinese cobra pictured above.]]