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I'm going to go add a fourth possibility to your crocodilian, amphibian, mammalian choice list: dinosaurid. First, the hair could be explained as pycnofibers, " hair-like filaments ... similar to,...
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I'm going to go add a fourth possibility to your crocodilian, amphibian, mammalian choice list: dinosaurid. First, the hair could be explained as pycnofibers, " hair-like filaments ... similar to,...