Ginsu shark tooth. Oct 16, 2023 · Each species of shark has unique and distinct teeth that allow them to survive and thrive in their environment. This tooth is a testament to the sheer size and power of this ancient shark. Learn more about the teeth of six different shark species. Deep bite marks on several of the vertebrae, severed ribs and the tip of a large, embedded tooth are interpreted as evidence that the lamniform shark, Cretoxyrhina mantelli, had fed on the mosasaur remains. Mar 23, 2016 · Cretoxyrhina acquired the name ‘Ginsu Shark’ in reference to its teeth. Their teeth are designed to help catch and eat their specific prey. 1 in) long, were razor-like and had thick enamel built for stabbing and slicing prey. Cretoxyrhina mantelli Agassiz 1843: A large lamniform shark found worldwide from Turonian into Campanian time during the Late Cretaceous. This shark had a total of about 80 teeth at the gum line. mantelli the ' Ginsu Shark', in reference to its knife-like 2-inch (5-centimetre) recurved teeth. Its teeth, up to 8 cm (3. Cretoxyrhina mantelli s catalog contains exceptional teeth from what is thought to be the earliest ancestor to the Mako and Great White sharks - Creto xyrhina mantelli, the Ginsu shark (an early Lamnid shark). Much the same size as a modern Great White (but not closely related), the Ginsu shark reached lengths of more than 6 meters before becoming extinct about 82 million years ago. Cretoxyrhina mantelli (Agassiz 1843) is an extinct species of shark belonging to the family Cretoxyrhinidae. Each of these teeth had a smooth-edged blade and resembled those of a mako, but were much broader and more massive with an unusually thick enameloid coating. It was one of the largest sharks and a formidable predator in the Late Cretaceous seas, reaching lengths of up to 6. The fossilized teeth of Cretoxyrhina mantelli, better known as the “Ginsu Shark,” tell the story of a predator that reigned during the Late Cretaceous period. Cretoxyrhina was also among the fastest-swimming sharks, with hydrodynamic calculations suggesting burst speeds of up to 70 km/h (43 mph). Cretoxyrhina was one of the largest sharks and a formidable predator in the Late Cretaceous seas. Everhart named C. The pictures shown below are of sharks teeth found in the Smoky Hill Chalk Member of the Niobrara Chalk Formation of western Kansas. Jan 18, 2021 · Identification: ginsu teeth have broad lingual dental bands, rounded root lobes, a strong lingual protuberance in the roots of anterior teeth, smooth crown faces, and no nutrient groove. Each of these teeth had as many as 7 replacement teeth in various stages of growth on the inside of the jaws. At up to seven centimetres long, the teeth are smooth and have thick enamel, suggesting that they were for work against tough shells and bones. Nicknamed the Ginsu shark, Cretoxyrhina ripped apart prey with a mouth full of razor-sharp, bone-shearing teeth. Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped Sep 14, 2025 · Beneath the rolling plains and rocky outcrops of Texas lies evidence of one of the most formidable sharks to ever patrol Earth’s oceans. This massive predator reached estimated lengths of up to 25 feet, making it a true giant of its time. The Cretoxyrhina sharks were among the largest predators of their time and therefore ruled the Cretaceous seas. Evidence suggests . 5 to 7 meters (about 22 feet). ib5lhrq ropnq bwjlbof xr3ruq ps4w drs 0ku 8ho ybwl 9d0ly