The study of trace fossils, especially the study of fossil tracks.
The study of animal traces
The study of trace fossils which includes tracks and other impressions and traces.
The study of fossilized footprints.
Ichnology is the branch of paleontology that deals with plant and animal traces. These traces are useful because they often hint at the behavior of the organism. The division of ichnology dealing with trace fossils is paleoichnology, while neoichnology is the study of modern traces.