WebThey range in length from 2.5 to 4.5 m (8.2 to 14.8 ft), and have an approximate maximum weight of 680 kg (1,500 lb). They both have a distinctive blue-gray color scheme common among mackerel sharks. Several extinct species are known from fossils found in sediments from the Cretaceous to the Quaternary (age range: 99.7 to 0.781 million years … WebSep 7, 2024 · The megalodon was one of the largest predators that ever lived up until its extinction 3.6 million years ago, according to the Natural History Museum in the United Kingdom. Researchers believe it...

Otodus » Prehistoric Online

WebCarcharoïdes catticus is an extinct shark, it is currently not known if they evolved into another species or died out. There teeth have certain similarities with other sharks like … WebApr 13, 2024 · The parotodus benedeni pendants are another variety of our beautiful shark tooth jewelry. The parotodus benedeni shark is commonly known as the false-toothed mako shark and is an extinct genus of the mackerel shark. It lived 53 million years ago during the Eocene and Pleistocene Epochs and was estimated to have measured a substantial … gold and baby blue

Megalodon, Otodus megalodon - The Australian Museum

WebThese sharks have pointed snouts, spindle-shaped bodies, and large gill openings. The first dorsal fin is large, high, stiff and angular or somewhat rounded. The second dorsal and anal fins are minute. The caudal peduncle has a couple of … WebExtinct Mackerel Shark Early Eocene-Paleocene Approximately 50-60 Million Years Old Uncommon small teeth from Morocco. Usually quite tough to find,... $5.00 Add: Isurus praecursor. Extinct Mako Shark Teeth Late Eocene - Appx 40 million years old Perfect or VERY near perfect quality examples of a Late Eocene aged Extinct Mako... WebJun 12, 2014 · The mackerel sharks are a family of sharks that include the great white, porbeagle, and shortfin and longfin mako sharks. None are extinct. hb commentary\u0027s