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Ptychodus was a large shark, previously estimated at 10 meters (33 feet) long based on extrapolation from teeth. [ 13 ] [ 14 ] The subadult specimen with the largest vertebra showed that it could reach lengths of 4.3–7.07 m (14.1–23.2 ft), so a 10 m (33 ft) length is possible, but more analysis is required for verification.
Prehistoric shark stubs (113 P) Pages in category "Prehistoric sharks" ... This list may not reflect recent changes. A. Abdounia minutissima; Abdounia recticona;
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.
The pieces are now reunited, creating a single 5.5-inch-long, 5.1-inch-wide tooth that came from one of the world’s most fearsome predators — a prehistoric shark that reached nearly 60 feet in ...
The megalodon, which went extinct 2.6 million years ago, is estimated to have been between 52 and 59 feet long, which is nearly three times the size of an average great white shark.
A young shark enthusiast vacationing with his family in Myrtle Beach, South Carolina, stumbled upon the find of a lifetime -- a tooth belonging to the largest shark to ever exist.
Carcharomodus is an extinct genus of lamnid shark.Its only species is Carcharomodus escheri, [1] commonly nicknamed the serrated mako shark or Escher's mako shark.It is an extinct lamnid that lived during the Miocene and that was formerly thought to have been transitional between the broad-toothed "mako" Cosmopolitodus hastalis and the modern great white, but is now considered to be an ...
The monstrous predator — which measured as long as a great white shark — belongs to a brand new species, according to a Dec. 12 University of Cincinnati news release.