Dinsauria=(Megalos+Iguanodon) Aves=(Archaeo+Passer) Classicodinosauria (or whatever) = Dinosauria without Aves
just because this grouping is so useful...
Is it so useful?
Isn't it less useful than:
- primarily flightless dinosaurs - primarily wingless dinosaurs - primarily featherless dinosaurs - Mesozoic dinosaurs - non-neornithean dinosaurs - extinct dinosaurs (now _that_ is paraphyletic!)
You could find more. You probably will.