shark species. These long-dead predatory fish lived during a time when the region was covered by a shallow sub-tropical sea and a waterways that connected ancient land masses older than Pangea. An accidental dental discovery One of the new sharks is the species Palaeohypotodus bizzocoi and it is described in a study published February 7 in the open-access journal Fossil Record.
Ebersole et al. Upon investigating the teeth, Ebersole found that it likely belonged to a new species. It lived roughly 65 million years ago, during the Paleocene Epoch. This is just after the dinosaurs began to die out and more than 75 percent of life on Earth went extinct. The team believes that P. bizzocoi was a leading predator at a time that ocean life was beginning to recover.
: Benji Paynose/NPS. Scientists found juvenile teeth that belonged to Troglocladodus trimblei. It was likely about 10 to 12 feet long, roughly the same size of a modern oceanic white tip shark. The name Troglocladodus means 'cave branching tooth,” in reference to its “forky-looking” chompers. Glikmanius careforum pushes the origins of this Glikmanius genus of ctenacanth back over 50 million years earlier than expected.
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