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Re: Birds and mosasaurs



>>As stated plenty of times, Late K members of the various theropod groups
>are
>>NOT more "birdy" than their Early Cretaceous members.  There isn't a trend
>>towards more birdlike features *within* Oviraptorosauria or
>>Ornithomimosauria or Troodontidae or Dromaeosauridae over time (with the
>>exception of a very few features previously mentioned, such as the loss of
>>teeth within ornithomimids).  What there is is a difference in the amount
>of
>>birdlike features between these groups.
>
>It's handy there being no trend *within* groups; an increase in birdlike
>features amongst medium to large flightless forms would not fit in with the
>features being acquired in small tree-living forms, some would say.
>

I would not disagree with this.

(Perhaps you have confused the fact that I reject the BCF phylogenetic
scheme and methodology with a rejection of some of the functional aspects of
the scheme.  That may not be the case...)

Thomas R. Holtz, Jr.
Vertebrate Paleontologist     Webpage: http://www.geol.umd.edu
Dept. of Geology              Email:th81@umail.umd.edu
University of Maryland        Phone:301-405-4084
College Park, MD  20742       Fax:  301-314-9661