ich.nol.o.gy
n.（名词）The branch of paleontology dealing with the study of fossilized footprints, tracks, burrows, or other traces as evidence of the activities of the organisms that produced them.足迹化石学：古生物学的分支，以研究足迹化石、痕迹化石、洞穴化石、或其它有机物所产生活动证据的痕迹
来源：Greek ikhnos [footprint] Greek ikhnos [footprint] -logy-logy
