RE: Dinosaur a tecnical term; 3 specifically

[Anthony Docimo <keenir@hotmail.com>]

> Also, don't forget that this change in content has been a two-way street.  
> Not only are birds now included in the Dinosauria, but there are taxa that 
> were once described (scientifically) as dinosaurs but which were later 
> removed from this group e.g., teratosaurs, hallopodids, revueltosaurs.

you can probably guess my question by now.  :D

when and what were those three?


thanks.

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