[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Triassic Sauropods
No, Madagascar was well land-locked throughout that time.
Chris
On Fri, 6 Apr 2001, T. Mike Keesey wrote:
> On Fri, 6 Apr 2001, Tim Williams wrote:
>
> > A Late Triassic age for the Isalo Group is given in :
> >
> > Flynn, J.J. et al. (1999). A Triassic fauna from Madagascar, including
> > early dinosaurs. Science 286 (5440): 763-765.
> >
> > Abstract: "The discovery of a Middle to Late Triassic (apprx 225 to 230
> > million years old) terrestrial vertebrate fauna from Madagascar is reported.
> > This fauna documents a temporal interval not well represented by continental
> > vertebrate assemblages elsewhere in the world. It contains two new
> > prosauropod dinosaurs, representing some of the earliest dinosaur
> > occurrences known globally. This assemblage provides information about the
> > poorly understood transition to the dinosaur-dominated faunas."
>
> This dating is based only on the faunal composition, right? Could it be
> that Madagascar, then as now, preserved forms which had gone extinct on
> the mainland? (Or was it an island at all back then?)
>
> _____________________________________________________________________________
> T. MICHAEL KEESEY
> Home Page <http://dinosauricon.com/keesey>
> The Dinosauricon <http://dinosauricon.com>
> personal <keesey@bigfoot.com> --> <tmk@dinosauricon.com>
> Dinosauricon-related <dinosaur@dinosauricon.com>
> AOL Instant Messenger <Ric Blayze>
> ICQ <77314901>
> Yahoo! Messenger <Mighty Odinn>
>