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Re: more questions from the rookie

>could someone please explain sinraptoran (cryolophosaurus) and
>maniraptoran (as was speculated re afrovenator)?

Sinraptoran is a totally unofficial and misleading name, as there is no
group Sinraptora.  Sinraptor plus Yangchuanosaurus form the Sinraptoridae
(common form sinraptorid), the sister group to the Allosauridae.

Maniraptora is a clade defined as "birds and all dinosaurs sharing a more
recent common ancestor with birds than with ornithomimosaurs".  From my
recent analysis, maniraptorans are restricted to birds and dromaeosaurids
(like Velociraptor and Deinonychus).

Thomas R. Holtz, Jr.                                   
Vertebrate Paleontologist in Exile                  Phone:      703-648-5280
U.S. Geological Survey                                FAX:      703-648-5420
Branch of Paleontology & Stratigraphy
MS 970 National Center
Reston, VA  22092