Ichnite

noun

1. A fossilized footprint.
2. A fossil footprint; the fossilized track or trace of an animal: used mostly in compounds: as, ornithichnite, sauroidichnite, tetrapodichnite. See these words, and cut under footprint.
3. A fossil footprint.

   "the ichnites in the Triassic sandstone"

4. A fossilized footprint or track of an animal.