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RE: Island-dwelling dinosaurs (was Re: Gargantuavis neck vertebra)





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> Date: Sat, 16 Jun 2012 15:18:40 +1000
> From: tijawi@gmail.com
> To: dinosaur@usc.edu
> Subject: Re: Island-dwelling dinosaurs (was Re: Gargantuavis neck vertebra)
>
> Mickey Mortimer <mickey_mortimer111@msn.com> wrote:
>
>
> > Unless Cau is right and Balaur is an avialan, in which case it'd be a great 
> > example of a secondarily flightless and large island taxon.

> As for _Balaur_, it was presumably a predator based on the morphology
> of the hindlimb, including the dual-raptorial-clawed foot. However,
> even if it is an avialan (rather than a velociraptorine, as recovered
> by Csiki &c), then it might not have been secondarily flightless,
> because this assumes that basal avialans could fly. 


> _Balaur_ could certainly have evolved from ancestors that were capable
> of some form of aerial locomotion (parachuting or gliding, perhaps
> with some rudimentary flapping involved). But this would hold
> irrespective of whether _Balaur_ was an avialan or a velociraptorine.

 

 To be fair, it's easier to say "secondarily flightless" than "secondarily 
rudimentarily".

 

no, literally easier to say.