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Cosmopolitodus is an extinct genus of mackerel shark that lived between thirty and one million years ago during the late Oligocene to the Early Pleistocene epochs.Its type species is Cosmopolitodus hastalis, the broad-tooth mako (other common names include the extinct giant mako and broad-tooth white shark).
The measurements showed a length of 1.28 meters (4 ft) and weight of about 16.3 kilograms (36 lb) at birth, and rapid growth in the first two years of life, doubling the length within 3.3 years. From then on, size growth became steady and gradual, growing a mean estimate of 21.1 centimeters (8 in) per year until its death at around 15 years of ...
Extinct or Alive is an American wildlife documentary television programme produced for Animal Planet by Hot Snakes Media of New York City, the United States.It is hosted by wildlife biologist and television personality Forrest Galante, who travels to different locations around the globe to learn about possibly extinct animals and whether or not there is a chance that they may still be extant. [1]
Stethacanthus is an extinct genus of shark-like cartilaginous fish which lived from the Late Devonian to Late Carboniferous epoch, dying out around 298.9 million years ago. Fossils have been found in Australia , Asia , Europe and North America .
Sharks could be facing extinction over the next couple of decades. Human interference is largely to blame for the species interference. Overfishing of sharks has increased as the global demand has ...
[10] [11] Sharks are often killed for shark fin soup, which some Asian countries regard as a status symbol. [12] Fishermen capture live sharks, fin them, and dump the finless animal back into the water to die from suffocation or predators. [11] [13] Sharks are also killed for their flesh in Europe and elsewhere. [14]
The beautiful Gray Whale has been extinct from the Atlantic Ocean since the 1700’s, but there are still estimated to be around 20,000 of these creatures swimming the Pacific Ocean.
Extinct species within this genus lived from the Cretaceous period to the Quaternary period (from 99.7 to 0.012 Ma). Fossils have been found all over the world, especially in the Miocene and Oligocene sediments of Europe, the United States and Australia, in the Eocene of Egypt, Europe and the United States, as well as in the Cretaceous of Australia, Canada, the United States, Europe and Africa ...