1" Indeterminate Jaw Bone - Judith River Formation

This is a 1" long chunk of a jaw bone from an indeterminate animal from the Judith River Formation in Montana. The fossil has a smooth surface with 6 tooth sockets with no remaining teeth. There is a tooth root remaining in one of the sockets. Without more material or any teeth it's hard to determine what animal this came from. The fossil has no repairs or restoration.