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Re: Assorted subjects
>Matthew Troutman wrote, "They all have hollow bones and air-sacs like
birds
>so they were light like birds. This information is never given or
really
>considered in weight estimations."
>
>Wrong. Not all dinosaurs had hollow bones. Hadrosaur femurs are solid,
when
>preserved well. Triceratops bones were solid, as were Anklyosaurs. A
light
>Nodosaur would make the armor useless. A Tyrannosaurus rex could just
flip
>one over and have lunch.
>
I completely agree. I was refering though to theropods which all have
air-sacs and hollow bones. Ancestorally in theTheropoda all bones are
hollow even the finger bones.
WMattTroutman
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