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Re: Dwarf Allosaurs (was Re: Archeoraptor Article)

Marcel F. Williams wrote:
> Phyletic dwarfing in large animals is usually due to the lack of
> abundant food resources in a particular environment. This may have also
> been the case for the dwarfed Allosaurs of the less fauna prolific
> Australian Cretaceous.

This is always a possibility, but has it been demonstrated that the Australian
Cretaceous was "less fauna prolific"? Some of the footprint sites alone suggest
an abundance and large variety of dinosaurs in some areas. There was also quite
a variety of hypsilophodontid species from the southern Victorian sites, some of
them quite large for hypsies.

        Dann Pigdon
        GIS Archaeologist
        Melbourne, Australia

        Australian Dinosaurs: