ich.nol.o.gy

n.（名詞）
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.
足跡化石學(xué)：古生物學(xué)的分支，以研究足跡化石、痕跡化石、洞穴化石、或其它有機物所產(chǎn)生活動證據(jù)的痕跡

來源：
Greek ikhnos [footprint]
Greek ikhnos [footprint]
-logy
-logy