Tetanurae@aol.com wrote: <snip> > Um, maybe. Sereno 1997 does not formally define PARAVES, just lists it as > the node linking an undefined Deinonychosauria (which has the implied > topology {_Deinonychus_ + _Stenonychosaurus_}). Stenonychosaurus? I thought that was an invalid genus, a junior synonym for _Troodon_. Has it been resurrected? -- JSW