[arthurbrown]

Could you provide some more details about the Tasmania example? Seems humans reached Tas "at least" ~40,000 years ago from my simple searching, which isnt too far off from the generalised 50,000 mentioned in the article.

Which species went extinct before then?

https://www.sciencedirect.com/science/article/pii/S030544032...

[defrost]

    This alternative scenario of extinction is even more relevant in areas where climate was the only plausible driver of megafauna extinctions—in areas where there was an absence of temporal human-megafauna coexistence such as in Tasmania 

Climate-human interaction associated with southeast Australian megafauna extinction patterns

Nature Communications, 22 November 2019 https://www.nature.com/articles/s41467-019-13277-0

Discussed by authors: https://theconversation.com/did-people-or-climate-kill-off-t...

A better paper than your find that directly addresses the gap|overlap in Tasmanian megafaune|human record is:

Man and megafauna in Tasmania: closing the gap Quaternary Science Reviews (Jan 2012)

https://sci-hub.ru/10.1016/j.quascirev.2012.01.013

Some megafauna were still present when humans arrived (at least two taxa) .. but most had already disappeared from the record and (IIRC) no megafauna bones found in human sites (indicating Mmmm, lunch).