Re: Archaeopteryx's birthday

["Tim Williams" <T.Williams@cclru.randwick.unsw.edu.au>]

Brian Franczak wrote:

> THE DINOSAURIA (pg. 91) lists the French _Compsognathus longipes_ as
> Kimmeridgian, and the specimen from the Solnholfen (pg. 92) as
> ?Kimmeridgian; since _Compsognathus_ and _Archaeopteryx_ were
> contemporaneous, I would think that Kimmeridgian would be the appropriate
> era for the latter.

I'm not so sure _A_ and _C_ are contemporaries.  Sure, they're both
Solnhofen animals, but I think _C_ may come from slightly older strata
than _A_.