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Dromaeos, Deinonychosaurs, and Avialae (was Re: Megaraptor)
At 08:30 PM 11/27/97 -0600, you wrote:
>Quoth Thomas R. Holtz, Jr.:
>>Having seen photos & drawings of Megaraptor, I can say that it is very
>>similar to dromaeosaurids if it isn't a true dromaeosaur. Of course, there
>>is another big avialian in the same sediments, for which we don't have
>>overlapping material, so it may be that Megaraptor will lose its name in
> Is this to imply that dromaeosaurs are "avialians".
>Do big ones have sickle claws too?
Well, cassowaries and seriamas...
>Is this like an avialan?
>Aren't those birds?
Avialae = modern birds and all taxa closer to modern birds than to Deinonychus.
For the record, Deinonychosauria = Deinonychus and all taxa closer to it
than to birds
Dromaeosauridae = all descedants of the most recent common ancestor of
Dromaeosaurus and Velociraptor.
>What's my name?
I don't do mammal taxonomy...
>Am I missing some important piece of
>information here. I am very confused. I don't even know what day it is.
>Excuse me, I have to go calculate the jadeite+quartz/anorthite phase
Thomas R. Holtz, Jr.
Vertebrate Paleontologist Webpage: http://www.geol.umd.edu
Dept. of Geology Email:email@example.com
University of Maryland Phone:301-405-4084
College Park, MD 20742 Fax: 301-314-9661