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Re: cause of Gigantism in sauropods

> There seems to be something weird going on with sauropods -- probably 
> important -- but what was it???
> William Miller

William, it is not something, but a whole LOT of somethings, and it is
nicely detailed in Sander et al. 2010 :) What allows the enormous size
of sauropods is a unique combination of primitive and derived traits:
small skulls, no oral food processing, no gastric mill, long necks,
avian-style lung, high reproductive rate with minimal investment, and
so on. I recommend a look at figure 9 of Sander et al. 2010.

Sander, P.M. et al (2010): Biology of the sauropod dinosaurs: the
evolution of gigantism. Biological Reviews 86(1):117–155, doi: