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Re: tiny-armed theropods




On Wed, 5 Oct 2011, Augusto Haro wrote:

A possibility is that forelimb reduction permits to reduce weight
regardless of head size. This would be overall adventageous for large
forms, with their increased weight problems. This can be adventageous
if the relatively larger limbs of an ancestor of these dinosaurs were
doing something not very important or which did not require big size.

Theropods have always looked unbalanced to me, esp if they are considered with a full stomach. Not sure what the weight savings would be, tho.

How big, relatively speaking, are the arms on juveniles?

2011/10/5 Mike Taylor <mike@indexdata.com>:
This notion is a lot easier to swallow for big-headed tyrannosaurs
than for little-headed abelisaurs.

-- Mike.