[Computational-biology] most ancient organisms whose genome sequencing have done

[Sheila the angel]

Hello Friends,

just out of curiosity I have a small question.......
Several organisms genome sequencing have done, but do yo know which is the
most ancient organism (& who don't exist now) whose genome sequencing have
done?
I know Neanderthal genome sequence have done.....is there any other
ancient organisms whose genome sequencing have done?

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Cheers
Sheila d. Angela