{"product_id":"partial-juvenile-hadrosaur-dentary-dinosaur-jaw-alberta-disposition-001590juvenile-hadrosaur-dentary-alberta-hn283","title":"Juvenile Hadrosaur Dentary (Jaw Bone), Alberta (disposition #001590)","description":"\u003cp\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epartial juvenile hadrosaur dentary\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from Alberta preserves a section of the \u003cstrong\u003elower jaw (mandible)\u003c\/strong\u003e. A series of prominent, closely spaced grooves remains visible across the specimen, marking the positions that once accommodated the teeth of its dental battery. The small size of this fossil indicates the individual was a juvenile and not a full grown adult.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHadrosaurs, commonly known as \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003educk-billed dinosaurs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, possessed highly specialized jaws containing tightly packed groups of teeth. Successive replacement teeth developed beneath the working teeth, maintaining a surface for processing plant material as older teeth wore down. This fragment offers a clear view of the supporting jaw structure behind that remarkable feeding system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHarvey Negrich Collection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this juvenile jaw fragment provides an engaging connection to the anatomy of a growing hadrosaur. Its recognizable dental-battery structure makes it a distinctive addition to an Alberta dinosaur collection or an educational display focused on dinosaur feeding adaptations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLegal Status:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This specimen is legally available for private ownership and resale under Alberta Disposition Certificate #001590. A copy of the disposition documentation will accompany the specimen. \u003c\/span\u003e\u003ca href=\"https:\/\/keithrocks.ca\/pages\/alberta-fossils-disposition-ownership-legal-status\" title=\"Alberta Fossils: Disposition, Ownership \u0026amp; Legal Status\"\u003e\u003cstrong\u003e\u003cspan\u003eLearn more about Alberta fossils and the disposition process.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFamily:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hadrosauridae indet. (hadrosaur; exact species undetermined)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAge:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Late Cretaceous (Campanian or 74.8 - 77.5 million years ago)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFormation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dinosaur Park or Oldman formation (Belly River\/Judith River Group)\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLocality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e North of Brooks, Alberta, Canada\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7 x 5 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Harvey Negrich Collection\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAlberta Disposition Certificate Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 001590 (specimen \u003c\/span\u003e#HN283\u003cspan\u003e) issued July 7, 2026\u003c\/span\u003e\u003c\/p\u003e","brand":"Rocky Mountain Minerals and Fossils","offers":[{"title":"Default Title","offer_id":53280841761050,"sku":null,"price":40.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6011\/1386\/files\/juvenile-hadrosaur-dentary-alberta-hn283-02.jpg?v=1793573414","url":"https:\/\/keithrocks.ca\/products\/partial-juvenile-hadrosaur-dentary-dinosaur-jaw-alberta-disposition-001590juvenile-hadrosaur-dentary-alberta-hn283","provider":"Rocky Mountain Minerals and Fossils","version":"1.0","type":"link"}