Well, as far as I know they have not for about 50 million years or so.
Although modern whales do retain small vestiges of pelvic limbs, the bones
are quite fused together into a single (or sometimes double unit).
Probably one of the last whale ancestors to have functional ankle bones
would have been the extinct Basilosaurus. This web
description and a picture of the reconstructed bones of the hind limbs...
At 02:50 AM 1/22/01 -0500, you wrote:
>I know whale flippers have bones sort of like a human hand (metacarpals)
>and that before they evolved into their modern form whales used to have hind
>limbs as well. My question is ... do they still have ankle bones
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