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RE: Aves and Mononykus




>>The Nature _Shuvuuia_ paper also examines in-group relationships in
Alvarezsauridae, and finds much the same result: _Alvarezsaurus_ +
(_Patagonykus_ + (_Mononykus_ + _Shuvuuia_ + _Parvicursor_)).>>

One of the main problems with the ?monophyly of the alvarezsauridae is 
poor preservation of Alvarezsaurus - this material may prove problematic 
in future analyses - perhaps if someone were to find the skull ?

_______________________________________________________________________________

Gareth J. Dyke,
Dept of Earth Sciences, University of Bristol,
Queens' Road, Bristol BS8 1RJ UK

0117 954 5443
http://palaeo.gly.bris.ac.uk/personnel/Dyke/Dyke.html

Please note my new address from 1st October 2000:

Department of Ornithology
American Museum of Natural History
Central Park W @ 79th Street 
New York NY 10024 USA
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