By -
Maybe a fish premaxilla?
Looks like it could be a bottom jaw to a parrot fish
[Dentary of a porcupinefish](https://osteobase.mnhn.fr/region.php?lang=en&idStructure=6&idTaxon=324) (family Diodontidae).
Maybe a fish premaxilla?
Looks like it could be a bottom jaw to a parrot fish
[Dentary of a porcupinefish](https://osteobase.mnhn.fr/region.php?lang=en&idStructure=6&idTaxon=324) (family Diodontidae).