Ekdale, Allan A. Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah.
Last reviewed:January 2020
- Classification and nomenclature
- Fossil behavior
- Environmental implications
- Sedimentologic implications
- Related Primary Literature
- Additional Reading
Fossilized evidence of animal behavior, also known as ichnofossils, biogenic sedimentary structures, bioerosion structures, or lebensspuren. The fossils include burrows, trails, and trackways created by animals in unconsolidated sediment, as well as borings, gnawings, raspings, and scrapings excavated by organisms in harder materials, such as rock, shell, bone, or wood. Some workers also consider coprolites (fossilized feces), regurgitation pellets, burrow excavation pellets, rhizoliths (plant root penetration structures), and algal stromatolites to be trace fossils. See also: Stromatolite
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