lebensspuren  search
BTsedimentary structures
 .biogenic structures
 ..lebensspuren
RTichnofossils
 burrows
 ichnofacies
 casts
 borings
 ichnofabric
 coprolites
 tracks
 trails
SNBefore 1981, also search ichnofossils. Before 1973, also search trace fossils. As of 1981, used when the emphasis is sedimentary petrology, not paleontology. Use ichnofossils for paleontologic studies.