Giant teenage shark from the Dinosaur-era

ScienceDaily
Apr 23, 2020, 1:04 pm213 pts
Scientists examined parts of a vertebral column, which was found in northern Spain in 1996, and assigned it to the extinct shark group Ptychodontidae. In contrast to teeth, shark vertebrae bear biological information, like body size, growth, and age and allowed the team surrounding Patrick L. Jambura to gain…

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