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Re: Champsosaur swimming



> How are Champsosaurs likely to have swum?  In all pictures I see them
> up/down oscillating like otters (or whales).

Really? Look again :-?

> What about croc-style side/side movement?

I've read several times that champsosaurs used exactly this, but more snake-
than croc-style with the whole body.

> Is there any way to tell?

Should be obvious either way from the vertebrae.