?url_ver=Z39.88-2004&rft_id=10.1017%2FS0016756817000358&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J.A.&rft.au=G%C3%83%C2%A1mez+Vintaned%2C+J.A.&rft.aulast=G%C3%83%C2%A1mez+Vintaned&rft.volume=155&rft.issn=00167568&rft.issue=7&rft.pages=1465-1474&rft.atitle=The+oldest+Cambrian+skeletal+fossils+of+Spain+(Cadenas+Ib%C3%83%C2%A9ricas%2C+Arag%C3%83%C2%B3n)&rft.title=Geological+Magazine&rft.date=2018&rft.genre=article