Re: Pelecanimimus and Sinosauropteryx

[Jeff Hecht <jhecht@world.std.com>]

I wrote earlier:
><< Some of the apparent feather structures are artifacts of preparation,
> according to the team that examined the fossils for the Philadelphia
> Academy. >>

Carolyn asked --
>By this, do you mean incidental marks made as the fossil was prepared, or is
>the implication that the marks were made intentionally on the prepared
>fossil?  I was a little confused by the phrasing.
>
Marks that give the illusion of a vertical crest rising from the backbone
were made during preparation; I don't know how or why.
-- Jeff Hecht