User talk:81.129.8.51
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Please refrain from making unconstructive edits to Wikipedia. Your edits appear to be vandalism and have been reverted. If you would like to experiment, please use the sandbox. Thank you.Mgiganteus1 13:58, 7 August 2007 (UTC)
[edit] Giganotosaurus sex
No--unfortunately, the only way to positively tell the sex of a dinosaur is with soft tissue preservation or impressions. One specimen of T.rex preserves medulary tissue in the bone, needed for egg production, proving it was a female. One specimen og Heyuannia reportedly preserves the impression of a penis, ostensibly proving it was a male. Other than these two examples, and a few specimens that may or may not have eggs inside them, no dinosaurs are known to be one sex or the other. Nesting specimens, like Citipati', are probably feamale, but the hypothesis that males helped brood the eggs can't be ruled out. Dinoguy2 15:59, 10 August 2007 (UTC)
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