{"product_id":"fossil-jaw-section-leptomeryx-sp-early-deer-white-river-group-wyoming-uv-reactive","title":"Fossil Jaw Section – Leptomeryx sp. (Early Deer) – White River Group, Wyoming – UV Reactive","description":"\u003cp data-start=\"121\" data-end=\"508\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAn authentic fossil jaw section from the extinct early deer relative \u003cem data-start=\"190\" data-end=\"202\"\u003eLeptomeryx\u003c\/em\u003e sp., recovered from the famous White River Group of Wyoming. Dating to the Oligocene Epoch (approximately 23–34 million years ago), this specimen preserves a beautifully defined row of original cheek teeth, showcasing the intricate enamel ridges that made these small herbivores highly efficient browsers.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"510\" data-end=\"824\"\u003eThe preserved molars exhibit excellent occlusal detail, making this an outstanding educational and collectible specimen. The White River Formation is world-renowned for preserving one of North America's richest Oligocene fossil faunas, and \u003cem data-start=\"750\" data-end=\"762\"\u003eLeptomeryx\u003c\/em\u003e remains are among its most recognizable small mammal fossils.\u003c\/p\u003e\n\u003cp data-start=\"826\" data-end=\"1205\"\u003eA particularly interesting feature of this specimen is its ultraviolet response. Under a 365 nm UV light, the fossilized teeth fluoresce a vivid orange while portions of the surrounding fossil matrix display a contrasting blue fluorescence. This natural fluorescence results from mineral replacement during fossilization and creates an impressive display under ultraviolet light.\u003c\/p\u003e\n\u003cp data-start=\"1207\" data-end=\"1395\"\u003eWhether displayed in a fossil collection, educational exhibit, or UV mineral display, this specimen offers an excellent combination of paleontology, preservation quality, and fluorescence.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1397\" data-end=\"1414\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1416\" data-end=\"1899\"\u003e\n\u003cli data-section-id=\"y01jw\" data-start=\"1416\" data-end=\"1447\"\u003e\n\u003cstrong data-start=\"1418\" data-end=\"1430\"\u003eSpecies:\u003c\/strong\u003e \u003cem data-start=\"1431\" data-end=\"1443\"\u003eLeptomeryx\u003c\/em\u003e sp.\u003c\/li\u003e\n\u003cli data-section-id=\"h4hh71\" data-start=\"1448\" data-end=\"1477\"\u003e\n\u003cstrong data-start=\"1450\" data-end=\"1466\"\u003eCommon Name:\u003c\/strong\u003e Early Deer\u003c\/li\u003e\n\u003cli data-section-id=\"xgv1uj\" data-start=\"1478\" data-end=\"1512\"\u003e\n\u003cstrong data-start=\"1480\" data-end=\"1494\"\u003eFormation:\u003c\/strong\u003e White River Group\u003c\/li\u003e\n\u003cli data-section-id=\"174bxyh\" data-start=\"1513\" data-end=\"1579\"\u003e\n\u003cstrong data-start=\"1515\" data-end=\"1523\"\u003eAge:\u003c\/strong\u003e Oligocene Epoch (approximately 23–34 million years old)\u003c\/li\u003e\n\u003cli data-section-id=\"zfvxb0\" data-start=\"1580\" data-end=\"1608\"\u003e\n\u003cstrong data-start=\"1582\" data-end=\"1595\"\u003eLocality:\u003c\/strong\u003e Wyoming, USA\u003c\/li\u003e\n\u003cli data-section-id=\"14owr64\" data-start=\"1609\" data-end=\"1630\"\u003e\n\u003cstrong data-start=\"1611\" data-end=\"1622\"\u003eWeight:\u003c\/strong\u003e 4 grams\u003c\/li\u003e\n\u003cli data-section-id=\"1r0vng7\" data-start=\"1631\" data-end=\"1674\"\u003e\n\u003cstrong data-start=\"1633\" data-end=\"1648\"\u003eDimensions:\u003c\/strong\u003e 1.03 × 0.63 × 0.50 inches\u003c\/li\u003e\n\u003cli data-section-id=\"1k9jdn0\" data-start=\"1675\" data-end=\"1705\"\u003eAuthentic fossil jaw section\u003c\/li\u003e\n\u003cli data-section-id=\"73k7p2\" data-start=\"1706\" data-end=\"1734\"\u003eWell-preserved molar teeth\u003c\/li\u003e\n\u003cli data-section-id=\"6keuvu\" data-start=\"1735\" data-end=\"1775\"\u003eTeeth fluoresce orange under 365 nm UV\u003c\/li\u003e\n\u003cli data-section-id=\"wt3tfj\" data-start=\"1776\" data-end=\"1827\"\u003eMatrix exhibits blue fluorescence under 365 nm UV\u003c\/li\u003e\n\u003cli data-section-id=\"bp33o9\" data-start=\"1828\" data-end=\"1876\"\u003eDisplay case and identification label included\u003c\/li\u003e\n\u003cli data-section-id=\"1wezdgk\" data-start=\"1877\" data-end=\"1899\"\u003eExact specimen shown\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"10heoiv\" data-start=\"1901\" data-end=\"1925\"\u003ePaleontological Notes\u003c\/h2\u003e\n\u003cp data-start=\"1927\" data-end=\"2375\"\u003e\u003cem data-start=\"1927\" data-end=\"1939\"\u003eLeptomeryx\u003c\/em\u003e was a small hoofed mammal belonging to an extinct family related to modern ruminants. Roughly the size of a rabbit or small gazelle, it inhabited wooded floodplains and open forests that covered much of western North America during the Oligocene. Its specialized grinding teeth were adapted for feeding on leaves, shoots, and other vegetation, providing valuable insight into the changing ecosystems following the age of the dinosaurs.\u003c\/p\u003e\n\u003cp data-start=\"2377\" data-end=\"2582\"\u003eThe White River Group is internationally recognized for producing exceptionally preserved fossil mammals and serves as one of the most important windows into North America's ancient terrestrial ecosystems.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1punl39\" data-start=\"2584\" data-end=\"2602\"\u003eCollector Notes\u003c\/h2\u003e\n\u003cp data-start=\"2604\" data-end=\"2937\"\u003eSmall mammal jaw sections with complete tooth rows are highly collectible because they clearly display the diagnostic dental anatomy used by paleontologists for identification. The added 365 nm ultraviolet fluorescence makes this specimen especially appealing to collectors who appreciate fossils with unique display characteristics.\u003c\/p\u003e\n\u003cp data-start=\"2939\" data-end=\"2989\"\u003eProfessionally packaged and shipped from Colorado.\u003c\/p\u003e\n\u003cp data-start=\"2991\" data-end=\"3033\"\u003eYou will receive the exact specimen shown.\u003c\/p\u003e\n\u003cp data-start=\"3035\" data-end=\"3170\"\u003eEvery order is backed by our commitment to quality and customer satisfaction. Thank you for supporting our family-owned small business.\u003c\/p\u003e","brand":"Serenity Soul Stones","offers":[{"title":"Default Title","offer_id":49080076927226,"sku":null,"price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/2328\/8826\/files\/20260626_114912.jpg?v=1782504200","url":"https:\/\/serenitysoulstones.com\/products\/fossil-jaw-section-leptomeryx-sp-early-deer-white-river-group-wyoming-uv-reactive","provider":"Serenity Soul Stones","version":"1.0","type":"link"}