Questioning the Validity of Hypsirophus discurus

["Tommy Bradley" <htomsirveaux@hotmail.com>]

I hope my frequent e-mails aren't bothering anyone, but, I have another 
question.  I know that some of the material of _Hypsirophus discurus_ is now 
referred to _Allosaurus fragilis_, and that some other species of 
_Hypsirophus_ have been  made synonyms with species of _Stegosaurus_.
Well, is _Hypsirophus discurus_ completely synonymied with _Stegosaurus_?  
Or is the meager material (2 dorsal vertebrae, caudal neural arch fragment) 
still retained under the name _Hypsirophus_?

The simple version of this question would be thus: _Hypsirophus_ = 
_Stegosaurus_ right?

And if  _Hypsirophus is still retained, then can anybody clue me into the 
meaning of the species name, _discurus?  I know there is a Parrot with the 
same species name, and I think it means "Racquet-tail" but I would 
appreciate some confirmation.
Thanks in advance,
Tommy Bradley

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