Re: Speciation - how do you know?
Phillip Bigelow (bh162@scn.org)
Mon, 14 Oct 1996 19:12:00 -0700
Gerrit Hanenburg wrote:
>
> Paul@crowleyp.demon.co.uk (Paul Crowley) wrote:
>
> >We do know that shellfish were part of Neanderthal
> >diet as extensive shell middens are found in Italy where the land
> >has been geologically raised.
> "Shell middens" can and do accumulate through currents and wave
> action,in particular along irregular coastlines. That's why "shell
> middens" are also found in the Cretaceous.
Some species of shore birds are also known to create "shell middens"
along coastlines....and in other cases, up to 5 km inland.
<pb>
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