{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T13:18:07Z","timestamp":1790255887833,"version":"4.1.0"},"reference-count":49,"publisher":"American Association for the Advancement of Science (AAAS)","issue":"6408","funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["EAR-1524523"],"award-info":[{"award-number":["EAR-1524523"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["EAR-1524938"],"award-info":[{"award-number":["EAR-1524938"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100003575","name":"American Association of Anatomists","doi-asserted-by":"publisher","award":["Postdoctoral Fellowship"],"award-info":[{"award-number":["Postdoctoral Fellowship"]}],"id":[{"id":"10.13039\/100003575","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Science"],"published-print":{"date-parts":[[2018,9,21]]},"abstract":"<jats:title>Early shifts lead to big changes<\/jats:title>\n          <jats:p>\n            Mammals represent one of the most morphologically diverse taxonomic groups. One of the unique features underlying this diversity is variability of the spine, which facilitates everything from flexibility for speedy running and support for upright walking. Jones\n            <jats:italic>et al.<\/jats:italic>\n            studied a group ancestral to modern mammals\u2014nonmammalian synapsids, or mammal-like reptiles. As forelimb function diversified, the spine developed distinct regions. These regions then differentiated further, leading to the highly varied mammalian forms we see today.\n          <\/jats:p>\n          <jats:p>\n            <jats:italic>Science<\/jats:italic>\n            , this issue p.\n            <jats:related-article xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"doi\" issue=\"6408\" page=\"1249\" related-article-type=\"in-this-issue\" vol=\"361\" xlink:href=\"10.1126\/science.aar3126\">1249<\/jats:related-article>\n          <\/jats:p>","DOI":"10.1126\/science.aar3126","type":"journal-article","created":{"date-parts":[[2018,9,20]],"date-time":"2018-09-20T18:06:18Z","timestamp":1537466778000},"page":"1249-1252","source":"Crossref","is-referenced-by-count":90,"title":["Fossils reveal the complex evolutionary history of the mammalian regionalized spine"],"prefix":"10.1126","volume":"361","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1088-0497","authenticated-orcid":true,"given":"K. 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