@article{Zamora2010, author = "S. Zamora", title = "{Supplemental material: Middle Cambrian echinoderms from north Spain show echinoderms diversified earlier in Gondwana}", year = "2010", month = "1", url = "https://gsapubs.figshare.com/articles/journal_contribution/Supplemental_material_Middle_Cambrian_echinoderms_from_north_Spain_show_echinoderms_diversified_earlier_in_Gondwana/12340334", doi = "10.1130/2010148" }