Dental CT scans of lower molar of a rodent fossil

Dental CT scans show that mammal teeth became less diverse during the early Oligocene extinction events. This 3D tooth shape is of the lower molar of a rodent (Shazurus minutus) fossil in the anomaluroid family. The specimen is from the earliest late Eocene (approximately 37 million years ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - April 13, 2022 Category: Science Source Type: video