{"id":884663,"date":"2026-01-13T07:14:43","date_gmt":"2026-01-13T13:14:43","guid":{"rendered":"https:\/\/newsycanuse.com\/index.php\/2026\/01\/13\/study-late-ordovician-mass-extinction-cleared-way-for-first-fishes\/"},"modified":"2026-01-13T07:14:43","modified_gmt":"2026-01-13T13:14:43","slug":"study-late-ordovician-mass-extinction-cleared-way-for-first-fishes","status":"publish","type":"post","link":"https:\/\/newsycanuse.com\/index.php\/2026\/01\/13\/study-late-ordovician-mass-extinction-cleared-way-for-first-fishes\/","title":{"rendered":"Study: Late Ordovician Mass Extinction Cleared Way for First Fishes"},"content":{"rendered":"<p>Science &#038; Nature A long-standing mystery in vertebrate evolution &#8212; why most major fish lineages appear suddenly in the fossil record tens of millions of years after their presumed origins &#8212; is tied to the Late Ordovician mass extinction.<br \/>\nThe post Study: Late Ordovician Mass Extinction Cleared Way for First Fishes appeared first on Sci.News: Breaking Science News&#8230;<br \/><a href=\"https:\/\/www.sci.news\/paleontology\/late-ordovician-mass-extinction-gnathostome-jawed-vertebrate-radiation-14474.html\" class=\"button purchase\" rel=\"nofollow noopener\" target=\"_blank\">Read More<\/a>News Staff<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Science &#038; Nature A long-standing mystery in vertebrate evolution &#8212; why most major fish lineages appear suddenly in the fossil record tens of millions of years after their presumed origins &#8212; is tied to the Late Ordovician mass extinction. The post Study: Late Ordovician Mass Extinction Cleared Way for First Fishes appeared first on Sci.News: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":884664,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114123,536,3437],"tags":[],"class_list":["post-884663","post","type-post","status-publish","format-standard","has-post-thumbnail","category-ordovician","category-science-nature","category-study"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/884663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/comments?post=884663"}],"version-history":[{"count":0,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/884663\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media\/884664"}],"wp:attachment":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media?parent=884663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/categories?post=884663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/tags?post=884663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}