[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
RE: Convergence and Macelognathus, a Perspective & T-Rexapolosa
Jaime Headden wrote:
Göhlich, U. B., L. M. Chiappe, J. M. Clark, and H.-D. Sues. 2005. The
systematic position of the Late Jurassic alleged dinosaur *Macelognathus*
(Crocodylomorpha: Sphenosuchia). _Canadian Journal of Earth Sciences_
[snip, snip, snip]
I am of the suspiction that Göhlich et al. have
described postcranial remains they may indicate that *Macelognathus* and
*Hallopus* are the same taxon,
Out of curiosity, just how strong is the case that _Hallopus_ and
_Macelognathus_ are one and the same?
In any case, we can now be certain that sprite, gracile crocodilomorphs
persisted into the Late Jurassic. It was to be their last hurrah, it seems.
By the opening of the Cretaceous, they were gone.
Also, even though these Late Jurassic sphenosuchians had an erect posture,
would I be correct in saying that there is no evidence that they were
Cliff Green wrote:
I know this was mentioned earlier, but how many list members are going
to be attending the 100 years of T-Rex Symposium in Hill City, SD this
Hmmm... I wonder if this year being the centenary of the name _Tyrannosaurus
rex_ had something to do with the choice of the name _Tyrannotitan_ for this
year's newest mega-theropod. It seems awfully coincidental.