Once I've proposed something like that here, but it'd gotten a very cold reception.
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Roberto Takata
Many academic disciplines have well-established archives where researchers can add their postprints, with a bit of useful metadata, for colleagues in the field to search for and retrieve. The best-known example is probably arXiv.org, a large physics and maths e-print archive.
Is there something similar for vertebrate palaeontology? And if not, why not?