This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Stenoshark. Steno's shark teeth from Elementorum myologi specimen seu musculi descriptio geometrica cui accedunt Canis Carchari dissectum caput et dissectus piscis ex Canum genere ucmp berkeley edu Niels Stensen Steno Holocephali Nicolaus Steno PDold
Page 2023 Free-images.com. All images are Public Domain