Re: Dinosaur Genera List corrections #100

[<TWILLIAMS@canr1.cag.uconn.edu>]

> Sereno, P. C., Beck, A. L., Dutheil, D. B., Gado, B., Larsson, H. C. E., Lyon,
> G. H., Marcot, J. D., Rauhut, O. W. M., Sadleir, R. W., Sidor, C. A.,
> Varricchio, D. J., Wilson, G. P. & Wilson, J. A., 1998. "A Long-Snouted
> Predatory Dinosaur from Africa and the Evolution of the Spinosaurids," Science
> 282(5392): 1298 1302 [November 13, 1998].

Sereno et al. divide the Spinosauridae into two subfamilies: 
Baryonychinae - _Baryonyx_, _Suchomimus_
Spinosaurinae - _Spinosaurus_, _Irritator_ (= _Angaturama_, according 
to Sereno et al.)

One thing I noticed is that _Irritator_ lacks the "pinching" 
between its premaxilla and maxilla which gives all other spinosaurids 
their spoon-like snouts.  This is based on the figures of 
_Irritator_'s skull given in Martill et al.'s original 
description.  Though, considering the amount of work they had to do 
to restore the skull (not the least of which was peeling off gobs of 
car-body filler!), _Irritator_ may have had a spatulate snout.

Tim






> 
> No less than 13 coauthors, a new record for the number of coauthors of the
> description of a dinosaurian new genus and species, eclipsing the previous
> record of nine. Do not miss the related article in the same issue:
> 
> Holtz, T. R., Jr., 1998. "Spinosaurs as Crocodile Mimics," Science 282(5392):
> 1276 1277 [November 13, 1998].
> 
> This becomes genus #842 in the Dinosaur Genera List:
> 
> Suchomimus Sereno, Beck, Dutheil, Gado, Larsson, Lyon, Marcot, Rauhut,
> Sadleir, Sidor, Varricchio, G. P. Wilson & J. A. Wilson, 1998
> 
>