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Re: K/T revisited, was: Re: DINOSAUR digest 3382



2005/11/10, Jorge Dichenberg <jorgedich@yahoo.com>:
> Isn't KT extinction easy? Perfectly selective for
> feeding preferences. Everything which eats dead plants
> (detritus) survived. Everything else died out.

What about that survive/extinction pattern if we look at the marine
biota? Sharks survived, marine reptiles don't. Ammonites go extinct,
squids don't.

[]s,

Roberto Takata