{"product_id":"2-5-halisaurus-walkeri-mosasaur-fossil-teeth-rooted-cretaceous-dinosaur-era-coa-06aat96","title":"2.5\" Halisaurus Walkeri Mosasaur Fossil Teeth Rooted Cretaceous Dinosaur Era COA","description":"\u003cp\u003eLocation: Oued Zem, Morocco\u003c\/p\u003e\n\u003cp\u003eWeight: 3 Ounces\u003c\/p\u003e\n\u003cp\u003eDimensions: 2.5 Inches Long, 2 Inches Wide, 1.3 Inches Thick\u003c\/p\u003e\n\u003cp\u003eThe root has some composite.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(164, 75, 10);\"\u003e\u003cstrong\u003eComes with a Certificate of Authenticity.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #6aa84f;\"\u003e\u003cstrong\u003eThe item pictured is the one you will receive.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e85 - 66 Million Years old, Early Campanian, Maastrichtian Epoch.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan style=\"color: #f1c232;\"\u003e\u003cstrong\u003eName: \u003c\/strong\u003e\u003c\/span\u003eHalisaurus\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #f1c232;\"\u003e\u003cstrong\u003eType: \u003c\/strong\u003e\u003c\/span\u003eCarnivore \/ Piscivore\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #f1c232;\"\u003e\u003cstrong\u003eSize: \u003c\/strong\u003e\u003c\/span\u003e3 to 4 meters in length.\u003c\/p\u003e\n\u003cp\u003eDuring the closing chapter of the Cretaceous Period, \u003cspan style=\"color: rgb(172, 89, 6);\"\u003e\u003cstrong\u003eHalisaurus \u003c\/strong\u003e\u003c\/span\u003eoccupied a specialized ecological niche within the vast marine ecosystems of the Maastrichtian seas. Though a member of the powerful mosasaur lineage, it was comparatively moderate in size, estimated at 200–350 kilograms. Its lighter skeletal build suggests a reptile adapted for maneuverability rather than sustained bursts of speed.\u003c\/p\u003e\n\u003cp\u003eHalisaurus demonstrates how evolutionary diversification allowed mosasaurs to fill multiple predatory roles. Instead of competing directly with massive apex hunters, it targeted smaller prey such as fish and cephalopods. Its skull anatomy reveals key adaptations: flexible jaw articulations, increased gape capacity, and palatal pterygoid teeth functioned as internal anchors. These features worked together to secure prey efficiently once seized.\u003c\/p\u003e\n\u003cp\u003eThe teeth themselves were slender and pointed, ideal for puncturing and gripping rather than cutting. This indicates a feeding strategy based on swallowing prey whole. Such specialization reflects an energy-efficient hunting method suited to open-water environments where quick capture was more advantageous than prolonged struggle.\u003c\/p\u003e\n\u003cp\u003eHalisaurus may not have dominated the seas by size, but it exemplifies evolutionary refinement. Its fossils help paleontologists understand the varied survival strategies that characterized Late Cretaceous marine life shortly before the mass extinction event reshaped Earth’s ecosystems.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"Halisaurus\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1250\/0441\/files\/Mosasaurfinalimage_1024x1024.jpg?v=1679600991\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/WRQ-RSNImIM?start=7\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong style=\"color: #bf9000;\"\u003ePlease be aware of the nature of fossils:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBeing buried underground for millions of years under immense pressure can be quite harsh. Rarely does a fossil emerge fully intact and perfect. Most fossils have been restored to some extent, and some are even modified by humans to improve their appearance. In Morocco, workers perform their jobs professionally when uncovering and conserving these natural treasures. However, natural cracks are often visible on the surface, which are part of the fossil's natural beauty and are not seen as flaws.\u003c\/p\u003e\n\u003chr id=\"horizontalrule\"\u003e","brand":"SAID 26","offers":[{"title":"Default Title","offer_id":52513999552792,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1250\/0441\/files\/5U8A2062.jpg?v=1786646544","url":"https:\/\/www.fossilageminerals.com\/products\/2-5-halisaurus-walkeri-mosasaur-fossil-teeth-rooted-cretaceous-dinosaur-era-coa-06aat96","provider":"Fossil Age Minerals","version":"1.0","type":"link"}