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Sadie Mills replied to the topic ID needed (probably an easy one for most of you) in the forum What Is It? 5 years, 10 months ago
5 years, 10 months ago5 years, 10 months agoHi @joe-blondino! I showed your post to FOSSIL team member @vperez, and he identified your specimens as sting rays mouth plates (genus Aetobatus). There are some pictures of complete specimens (and an artist’s recreation of the sting ray) here: https://www.calvertmarinemuseum.com/335/Fossil-Teeth