{"id":905036,"date":"2026-05-11T08:12:26","date_gmt":"2026-05-11T13:12:26","guid":{"rendered":"https:\/\/newsycanuse.com\/index.php\/2026\/05\/11\/this-tiny-claw-in-a-500-million-year-old-fossil-just-rewrote-the-origin-of-spiders\/"},"modified":"2026-05-11T08:12:26","modified_gmt":"2026-05-11T13:12:26","slug":"this-tiny-claw-in-a-500-million-year-old-fossil-just-rewrote-the-origin-of-spiders","status":"publish","type":"post","link":"https:\/\/newsycanuse.com\/index.php\/2026\/05\/11\/this-tiny-claw-in-a-500-million-year-old-fossil-just-rewrote-the-origin-of-spiders\/","title":{"rendered":"This tiny claw in a 500-million-year-old fossil just rewrote the origin of spiders"},"content":{"rendered":"<p>What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist. That detail revealed Megachelicerax cousteaui, the oldest known relative of spiders, pushing the origins of this group back by 20 million years&#8230;<br \/><a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/04\/260403002023.htm\" class=\"button purchase\" rel=\"nofollow noopener\" target=\"_blank\">Read More<\/a><br \/>\n Alejandro Buresh<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist. That detail revealed Megachelicerax cousteaui, the oldest known relative of spiders, pushing the origins of this group back by 20 million years&#8230;<\/p>\n","protected":false},"author":1,"featured_media":905037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25191,25184,192],"tags":[14646,14660],"class_list":{"0":"post-905036","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-fossil","8":"category-million-year-old","9":"category-sports","10":"tag-fossil","11":"tag-million-year-old"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/905036","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=905036"}],"version-history":[{"count":0,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/905036\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media\/905037"}],"wp:attachment":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media?parent=905036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/categories?post=905036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/tags?post=905036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}