Description 4.5″ Genuine Spinosaurus Dinosaur Tooth Fossil – Kem Kem Beds, Tegana Formation, Aptian Stage, Cretaceous: Kem Kem Basin, Morocco This magnificent 4.5-inch fossilised tooth belonged to Spinosaurus aegyptiacus, one of the most unique and largest theropod dinosaurs ever discovered. Unearthed from the famous Kem Kem Beds within the Tegana Formation of the Kem Kem Basin in southeastern Morocco, this specimen originates from the Aptian stage of the Early Cretaceous, dating back approximately 113 to 100 million years. Fossil Type & Species: Type: Vertebrate Fossil (Tooth – crown specimen) Species: Spinosaurus aegyptiacus Order: Theropoda Superfamily: Megalosauroidea Family: Spinosauridae Formally Identified By: German palaeontologist Ernst Stromer in 1915 Geological Details: Formation: Tegana Formation Beds: Kem Kem Beds Geological Stage: Aptian (Early Cretaceous) Biozone: Kem Kem Compound Assemblage Zone Depositional Environment: Fluvial to deltaic ecosystem — characterized by ancient river channels, seasonal floodplains, and coastal lakes, ideal for preserving dinosaur remains in fine-grained sediments Morphology & Features: This sizeable Spinosaurus tooth exhibits: Conical shape with slightly flattened sides — ideal for catching slippery prey like fish Smooth enamel surface with faint vertical ridges No serrations, which is a hallmark of Spinosaurus teeth and distinct from most other theropods Fossil coloration ranges from earthy browns to ochres and reds Impressive crown preservation with natural wear patterns, giving it a prehistoric authenticity Notable: Spinosaurus aegyptiacus is believed to be the only large theropod adapted for a semi-aquatic lifestyle. Its sail-like back, crocodile-like snout, and piscivorous diet make it a subject of great palaeontological interest. A fossil tooth of this size (4.5″) is an extraordinary acquisition for any fossil enthusiast, museum, or educational collection. Specimen Details: Origin: Kem Kem Basin, near Taouz, Morocco Formation: Tegana Formation, Kem Kem Beds Species: Spinosaurus aegyptiacus Fossil Type: Isolated Tooth (Crown) Length: Approx. 4.5 inches Size Reference: Scale rule square = 1cm (please see photo for full sizing) Note: The fossil shown in the photographs is the exact specimen you will receive Authenticity & Quality: This is a 100% genuine fossil, hand-selected for its size and condition. It comes complete with a Certificate of Authenticity. No enhancements, reconstructions, or replicas — this is a naturally preserved relic from the Cretaceous. Why Choose This Fossil? Whether for display, educational use, or personal collection, this 4.5″ Spinosaurus tooth is an outstanding piece of Earth’s prehistoric heritage. Its size, provenance, and visual impact make it a centrepiece fossil with long-lasting scientific and aesthetic value. Shipping & Packaging: We ship quickly using protective, eco-conscious packaging. Your fossil will be packed with utmost care to ensure it arrives safely. Capture the awe of prehistoric life with this museum-quality Spinosaurus dinosaur tooth fossil. All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
