![Image credit - Serge Illaryonov, CC BY 3.0](/sites/default/files/hm/megalodon_jaws_on_display_at_the_national_baltimore_aquarium.jpg)
X-rays of fossilised megalodon vertabra revealed they could grow more than 16 cm a year.
https://www.theguardian.com/environment/2021/jan/11/baby-shark-newborn-megalodons-larger-than-humans-scientists-say
X-rays of fossilised megalodon vertabra revealed they could grow more than 16 cm a year.