This is the head of a juvenile American alligator (Alligator mississippiensis), one of only two extant species in the subfamily Alligatorinae.
More info here:
https://animaldiversity.org/accounts/Alligator_mississippiensis/
https://en.wikipedia.org/wiki/American_alligator
Accession Number: 140.15 (red dot)
Captured with Artec Spider 3D Scanner https://www.artec3d.com/portable-3d-scanners/artec-spider-v2