{"product_id":"large-dinosaur-rib-on-display-stand","title":"Large Dinosaur Rib","description":"\u003cdiv data-test-render-count=\"2\"\u003e\n\u003cdiv class=\"mb-1 mt-6 group\"\u003e\n\u003cdiv class=\"flex flex-col items-end gap-1\"\u003e\n\u003cdiv class=\"flex justify-start opacity-0 group-hover:opacity-100 group-focus-within:opacity-100 transition\" role=\"group\" aria-label=\"Message actions\"\u003e\n\u003cdiv class=\"text-text-300\"\u003e\n\u003cdiv class=\"text-text-300 flex items-stretch justify-between\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-test-render-count=\"1\"\u003e\n\u003cdiv class=\"group\"\u003e\n\u003cdiv class=\"contents\"\u003e\n\u003cdiv data-is-streaming=\"false\" class=\"group relative relative pb-3\"\u003e\n\u003cdiv class=\"font-claude-response relative leading-[1.65rem] [\u0026amp;_pre\u0026gt;div]:bg-bg-000\/50 [\u0026amp;_pre\u0026gt;div]:border-0.5 [\u0026amp;_pre\u0026gt;div]:border-border-400 [\u0026amp;_.ignore-pre-bg\u0026gt;div]:bg-transparent [\u0026amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [\u0026amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [\u0026amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [\u0026amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"standard-markdown grid-cols-1 grid [\u0026amp;_\u0026gt;_*]:min-w-0 gap-3 standard-markdown\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHold a piece of the final chapter. This large, dense partial rib, most likely\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eEdmontosaurus,\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003ecomes from the Lance Formation of Wyoming and displays a beautiful natural brown coloration. Carefully repaired with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eno restoration\u003c\/strong\u003e: every bit of what you see is 100% original dinosaur, 66 million years old.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eFound during the 2025 digging season.\u003c\/p\u003e\n\u003cdiv class=\"flex-shrink-0 flex flex-col relative items-end\"\u003e\n\u003cdiv class=\"pt-0.5\"\u003e\n\u003cdiv class=\"gizmo-shadow-stroke flex h-6 w-6 items-center justify-center overflow-hidden rounded-full\"\u003e\n\u003cdiv class=\"relative p-1 rounded-sm h-9 w-9 text-white flex items-center justify-center\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003chr class=\"divider\"\u003e\n\u003cdiv class=\"section-label\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp class=\"section-title\"\u003e\u003cstrong\u003eAbout Edmontosaurus\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"body\"\u003e\u003cem\u003eEdmontosaurus annectens\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003ewas a hadrosaur — one of the \"duck-billed\" dinosaurs — and among the most common large herbivores at the very end of the Cretaceous Period.\u003c\/p\u003e\n\u003cul class=\"dino\"\u003e\n\u003cli\u003eMeasured up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e40 feet long\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand weighed as much as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 tons\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBroad, flat snout lined with hundreds of tightly packed, self-replacing teeth\u003c\/li\u003e\n\u003cli\u003eEstimated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1,000+ teeth\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat any given time — a true eating machine\u003c\/li\u003e\n\u003cli\u003eAmong the most\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecommon and widespread\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edinosaurs of the Late Cretaceous\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"section-title\"\u003e\u003cstrong\u003eWhat Did They Eat?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"body\"\u003eEdmontosaurus was a dedicated herbivore. Its diet and feeding behavior included:\u003c\/p\u003e\n\u003cul class=\"dino\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFerns, cycads, and conifers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— the dominant plants of the Cretaceous landscape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowering plants (angiosperms)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003enewly spreading across the continent\u003c\/li\u003e\n\u003cli\u003eA wide keratinous\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebeak\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor stripping vegetation from branches and stems\u003c\/li\u003e\n\u003cli\u003eA complex dental battery for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egrinding tough plant material\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edeep in the jaw\u003c\/li\u003e\n\u003cli\u003eLikely traveled in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elarge herds\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— bone beds of dozens of individuals confirm social behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003e\"Dinosaur mummy\" finds have preserved Edmontosaurus with dried skin, tendons, and even stomach contents intact — giving us a direct window into what this animal ate, how it was built, and what its skin looked like. Few dinosaurs are as well-understood as this one.\u003c\/div\u003e\n\u003chr class=\"divider\"\u003e\n\u003cp class=\"section-title\"\u003e\u003cstrong\u003eContemporaries — Who Shared Its World?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"body\"\u003eThe Lance Formation ecosystem was a crowded, dangerous place.\u003cspan\u003e \u003c\/span\u003e\u003cem\u003eEdmontosaurus\u003c\/em\u003e\u003cspan\u003e \u003c\/span\u003eshared its world with:\u003c\/p\u003e\n\u003cul class=\"dino\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eTyrannosaurus rex\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— its primary predator; healed T. rex bite marks on Edmontosaurus tail bones prove it survived attacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eTriceratops horridus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— the iconic three-horned ceratopsian\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eAnkylosaurus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— the armored tank of the Cretaceous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003ePachycephalosaurus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— the dome-headed bone-head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eTorosaurus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— a large ceratopsian with a massive frill\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eThescelosaurus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— a small, fleet-footed ornithopod\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eAcheroraptor\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— a dromaeosaurid raptor of the Lance ecosystem\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"section-title\"\u003e\u003cstrong\u003eRelated Hadrosaurs — The Duck-Billed Family\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"body\"\u003eEdmontosaurus belonged to a spectacularly diverse dinosaur family. Close relatives include:\u003c\/p\u003e\n\u003cul class=\"dino\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eParasaurolophus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— famous for its long hollow crest, likely used for vocalizing and species recognition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eCorythosaurus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— bearing a helmet-like crest on top of its skull\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eLambeosaurus\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— a crested hadrosaur from slightly earlier in the Cretaceous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eMaiasaura\u003c\/em\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— provided groundbreaking evidence that some dinosaurs actively cared for their young in nesting colonies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"body\"\u003eTogether, the hadrosaurs were the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emost successful large herbivores of the late Mesozoic\u003c\/strong\u003e, filling the ecological role that cattle and horses fill today.\u003c\/p\u003e\n\u003chr class=\"divider\"\u003e\n\u003cp class=\"section-title\"\u003eSpecimen Details\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eSpecimen type: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003ePartial rib bone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eIdentification: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eEdmontosaurus sp. (most likely)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eFormation: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eLance Formation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eLocation: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eWyoming, USA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eAge: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003e~66–68 million years\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003ePeriod: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eLate Cretaceous \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-key\"\u003eCondition: \u003c\/span\u003e\u003cspan class=\"spec-val\"\u003eNatural \/ partial\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cspan class=\"spec-val\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"callout\"\u003eEvery fossil sold by FossilsOnline.com is a genuine natural specimen — no casts, no replicas. This rib once supported the body of an animal that watched T. rex hunt and witnessed the final sunsets of the Age of Dinosaurs. It is now available for your collection.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fossils Online","offers":[{"title":"Default Title","offer_id":48028393537676,"sku":"4031","price":1.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/3697\/5500\/files\/Untitled_473a9d34-2566-4f1c-b9ec-2058a928aece.jpg?v=1777403533","url":"https:\/\/fossilsonline.com\/products\/large-dinosaur-rib-on-display-stand","provider":"Fossils Online","version":"1.0","type":"link"}