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Dinosaur sex differences evidence challenged


Claire.

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Male or female? Scientists challenge evidence of sex differences among dinosaurs

A paleontologist at the Canadian Museum of Nature is countering decades of studies that assert that some dinosaurs can be identified as male or female based on the shapes and sizes of their bones.

Dr. Jordan Mallon, a dinosaur specialist at the museum, argues instead that the fossil evidence for these distinctions is inconclusive and, as a result, it might be time to "rewrite the textbooks." His report, published today in the online journal Paleobiology, focuses on the biological principle of sexual dimorphism, where males and females of a species can be distinguished based on physical characteristics other than sexual organs.

Read more: Phys.org

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I question whether hard copy text books are something palaeontologists should be writing? Poor sods. 

This is very interesting. As someone without much of an interest in dinosaurs (as opposed to other groups) the most interesting thing to me is seeing the revisions that are taking place. It's quite inspiring to see the constant refinement, and revaluation of the evidence. I wish this went on in my area of interest rather than the same crap being wheeled out year after year.  

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