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Pachycephalosaurus "Thick-Headed Reptile" Order: Ornithischia Suborder: Marginocephalia Family:Pachycephalosauridae |
Paleo Notes
It is still not completely known what the purpose of the thick dome
on the skull was. It may have been used in head-butting battles such as
bighorn sheep engage in. It also may have been a secondary sex characteristic
being used to attract the opposite sex.
Physical Characteristics
Fossil Sites
Geologic Age
