Reading the ongoing debate about whether a prehistoric duck billed fire breathing dragon existed or not is just utterly brilliant. When a debate starts sounding like a brainstorming session for new pokemon designs, you know you're onto something good.

Are you really having that much difficulty with the descriptions?
Is it possible for you to momentarily set aside the evolution concept and objectively look at the evidence of this creature?
A swamp feeding reptile with a hollow tube running from it's midsection up through and over it's head and venting out bone tube nostrils.

It just goes on and on and on and on and on.