What is the biggest tree ever to have existed since life began millions of years ago ?

Question by gus l: What is the biggest tree ever to have existed since life began millions of years ago ?
I am not talking about woods connected together by roots where trees are an offshoot of one original tree but single trunk bult - what was the hugest ever ? I am assuming there were once much larger trees than todays sequoias .
please note I am not looking for the record of the current biggest trees !
Animals seem to have been much larger at some points in the past so I was wondering if the same was true of trees.


Best answer:
Answer by QuibishBy volume and mass, the largest tree is the Giant Sequoia (Sequoiadendron giganteum). They grow to an average height of 70–85 m (230–280 ft) and 5 – 7 m (16–23 ft) in diameter. Specimens have been recorded to be up to 94.9 m (307 ft) in height and (not the same individual) 8.98 m (29 ft) in diameter; the largest individual is the General Sherman tree, with a volume of 1,489 m3 (52,600 ft3). Although not so large in volume,

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