[...] Concerning the section of the article
regarding RT's, the researchers seemingly skipped over a key clade in their
analysis of which clade has RT's. This group is the pterosauromorpha.
Haev any studies been done on whether pterosaurs
have RT's? And, are pterosaurs definitely considered "warm-blooded"
(yes, I am aware of the short comings of that term)?
I don't know of any studies on whether
pterosaurs have RT's, though I surely can't claim to be well-informed here.
However, pterosaurs are AFAIK always considered warm-blooded just like birds,
because they 1. flew (requires a constant supply of lots of energy), 2. had
elaborate air-sac systems and 3. had fur (whatever it is homologous