[NordP]

That’s truly interesting ... thanks for posting!

[ClearCase_guy]

I seem to recall a situation where biologists came to a different sort of conclusion. They had two fossils that seemed identical (or nearly so) but which could not have come from the same species (I forget why they determined that). They determined that Evolution could create the same type of animal twice (in two different locations or two different times). They had a fancy name for it but I don't recall.

Is an eight inch fossil sufficient evidence to conclude that the continents moved differently than previously thought? Or evidence that two species in different places were remarkably similar?

Either way, it seems like a lot to conclude from such a small piece of evidence.

[jpsb]

"They speculate that land bridges must have persisted between southern South America and the Western Antarctic Archipelago "until at least the Late Eocene," a period that began some 40 million years ago. "

This makes no sense since dinosaurs went extinct 65 million years ago.

[stefanbatory]

One question I have always had concerning continental drift:

How do we know that the plates have been moving at the same rates over this entire period of time? I believe they say the plates move about an inch a year or so currently. How do we know they didn’t move for example at a mile per year at some time in the past?