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Dromomeron and Lagerpeton query

Seeking an opinion here.

Since Dromomeron and Lagerpeton are known principally from hind limb materials, 
its not surprising that the recent matrices of Nesbitt et al. 2009 (JVP) based 
on Irmis et al. 2007 (Sciene) had a larger than typical number of characters 
devoted to the hind limb. 

Is that a bad thing? I'm thinking of Bennett's rejection of hind limb 
characters in a similar matrix in 1996. 

BTW, if you add Tropidosuchus, Chanaresuchus, Cosesaurus and Huehuecuetzpalli 
to the Irmis et al. matrix, these all end up as Ornithodires. What can we do to 
fix this?
David Peters