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This corresponds to a long-noted changeover in Triassic terrestrial tetrapod faunas from those dominated by synapsids, many of them holdovers from the Permian, to those dominated by dinosaurs. The dinosaur explosion is shown here to correspond in timing to the Carnian Pluvial Episode (CPE), dated at 232\u2005Ma, a time of increased rainfall and perturbation of oceans and atmospheres, followed by substantial aridification. The rock record through the CPE confirms that this event shared many characters with other mass extinctions driven by eruption of large igneous provinces, in this case the Wrangellia flood basalts of the west coast of North America. If this was a catastrophic extinction event, then the environmental perturbations of the CPE explain the sharp disappearance of various terrestrial tetrapods, and the subsequent sharp rise of dinosaurs and perhaps other clades too, especially those that constitute much of the modern terrestrial faunas, such as lissamphibians, turtles, crocodiles, lizards and mammals.<\/jats:p>\n          <jats:p content-type=\"supplementary-material\">\n            <jats:bold>Supplementary material:<\/jats:bold>\n            The sampled tetrapod faunas, geological ages, and details of the R code method and results are available at\n            <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/doi.org\/10.6084\/m9.figshare.c.4111439\">https:\/\/doi.org\/10.6084\/m9.figshare.c.4111439<\/jats:ext-link>\n          <\/jats:p>","DOI":"10.1144\/jgs2018-049","type":"journal-article","created":{"date-parts":[[2018,6,12]],"date-time":"2018-06-12T15:55:56Z","timestamp":1528818956000},"page":"1019-1026","update-policy":"https:\/\/doi.org\/10.1144\/crossmark-policy","source":"Crossref","is-referenced-by-count":65,"title":["The Carnian Pluvial Episode and the origin of dinosaurs"],"prefix":"10.1144","volume":"175","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4323-1824","authenticated-orcid":false,"given":"Michael J.","family":"Benton","sequence":"first","affiliation":[{"name":"School of Earth Sciences, University of Bristol, Bristol BS8 1TQ, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3682-4090","authenticated-orcid":false,"given":"Massimo","family":"Bernardi","sequence":"additional","affiliation":[{"name":"School of Earth Sciences, University of Bristol, Bristol BS8 1TQ, UK"},{"name":"MUSE\u2014Museo delle Scienze, Corso del Lavoro e della Scienza, 3, 38122 Trento, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9865-4608","authenticated-orcid":false,"given":"Cormac","family":"Kinsella","sequence":"additional","affiliation":[{"name":"Department of Experimental Virology, University of Amsterdam, Amsterdam, The Netherlands"}]}],"member":"1881","published-online":{"date-parts":[[2018,6,12]]},"reference":[{"key":"e_1_3_4_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/238081a0"},{"key":"e_1_3_4_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature21700"},{"key":"e_1_3_4_4_1","doi-asserted-by":"publisher","DOI":"10.1086\/413056"},{"key":"e_1_3_4_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/321857a0"},{"key":"e_1_3_4_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/10292389109380406"},{"key":"e_1_3_4_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.palaeo.2012.09.005"},{"key":"e_1_3_4_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2013.11.063"},{"key":"e_1_3_4_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-018-03996-1"},{"key":"e_1_3_4_10_1","article-title":"Tetrapod distribution and temperature rise during the Permian\u2013Triassic mass extinction","volume":"285","author":"Bernardi M.","year":"2018","unstructured":"Bernardi, M., Petti, F.M. & Benton, M.J. 2018b. 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