>Godwanaland included Africa and South America right? Are they literally calling this whole place Australia?

Yes, but with the "they" being the journalists at Australian Geographic, not the authors of the original scientific publication. So you can blame it on them; the original authors don't make that mistake.

Its why I make myself a pest here to call out crap pop science writing, which so often takes a good and carefully written finding, and then makes it worse.

To be fair, because people love imagining long ago landscapes, there's a lot of confusion about "the place where we find fossils now" - and "the place where these animals lived, at the time they were laid down"