[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: The dino-bird page is up!
"T. Mike Keesey" wrote:
> http://research.amnh.org/vertpaleo/dinobird.html
>
> Cute little fella.
>
> (BTW, the page seems to be saying that the Yixian Formation is Late
> Jurassic -- hasn't it been shown to be Barremian?)
>
Given the authors, they probably ARE saying Jurassic. But then again, there
have been a number of works that have come out in the last year citing a
Tthonian age for these deposits. I guess they have all just missed all of the
geochronological work supporting a Barremian age...
--
Josh Smith
Department of Earth and Environmental Science
University of Pennsylvania
471 Hayden Hall
240 South 33rd Street
Philadelphia, PA 19104-6316
(215) 898-5630 (Office)
(215) 898-0964 (FAX)