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For those of you who believe recent molecular evidence suggesting early
mammalian ordinal divergence is not a challenge to the claimed competence
of our current fossil record, i.e., that genetic changes may lead to few
morphological changes (at least as recognizable from bones) and that we
have already found the bones of these genetically radical creatures, here
are Hedges' beliefs. The quote is from an on-line Science news service.
>Very few fossils resembling modern mammals or other vertebrates have been
>found in rocks formed during the Cretaceous period, says Hedges, partly
>because paleontologists hardly ever look for mammals in rocks that old.
>"There has not been enough convincing evidence until now for
>paleontologists to invest their time and money looking for mammal
>in a time before
>the dinosaurs became extinct," Hedges says. In addition, many scientists
>believe that a large number of species suddenly sprang into existence at
>very end of the Cretaceous period.
>Hedges says he hopes, as a result of this research, that paleontologists
>will now begin searching for vertebrates in geological strata where they
>have never looked before. "We are saying mammals definitely were living on
>Earth during the Cretaceous period from 70 to 100 million years ago. We
>don't yet know what they look like, but from the genes of their descendants
>we now know that they were there."