[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: FOUR, THREE, TWO, ONE . . . PTEROSAURS HAVE LIFT OFF!
Quoting Janet m vandenburgh <firstname.lastname@example.org>:
> --Hopkins researcher reports that ancient flying reptiles used four legs to
It's great to see research like this actually published, rather than the sort
of anecdotal back-and-forth
discussions such as we've seen here on the DML in the past (or elsewhere on the
internet). The only
surprising thing about this research is why it's taken so long for someone to
actually publish it (using
actual biomechanical calculations that is, rather than hypothetical 'just-so'
Does anyone have the full reference for this paper?
> A modern-day man and giraffe, drawn to scale, flank the extinct pterosaur
> known as Hatzegotpteryx. Unlike birds, pterosaurs used four legs to launch
> themselves into flight, according to new research. Illustration by Mark
It's certainly an impressive illustration - but what is the likelihood that
Hatzegotpteryx could have
raised it's head as high as a giraffe can? Or that it could stand with such
straight limbs, for that matter?
I've always envisaged them as having a more bat-like stance on the ground, with
the neck at a much
shallowed angle. Although I imagine that wouldn't make quite as impressive an
GIS / Archaeologist http://geo_cities.com/dannsdinosaurs
Melbourne, Australia http://heretichides.soffiles.com