The Study of Trace Fossils: A Synthesis of Principles, Problems, and Procedures in Ichnology

abundant algae algal Amer animals beds behavior benthic bioerosion biogenic bioturbation bivalves body fossils borers borings Bromley Bull burrow systems burrows calcareous Callianassa Cambrian carbonate chalk Chapter classification coprolites coral Cretaceous Crimes and J. C. crustaceans Cruziana deep-sea deposits depth Devonian diagenesis diameter ecology endolithic environmental environments erosion example excavations facies feeding footprints Frey gastropods Geol geologic Georgia Häntzschel hardground ichnofacies ichnology intertidal invertebrates J. C. Harper eds Jour laminae lebensspuren limestone lithification lower mammals marine ments microborings morphology occur offshore Ordovician organisms paleoecology Paleont Paleozoic pattern penetration Permian Petrol Pleistocene polychaetes predation preserved produced recent reefs Reineck reworking rock Rusophycus sand sandstone Schäfer sedi sediment sedimentary structures Sedimentology Seilacher shallow shell sipunculids Spec species specimens sponges stromatolites sublittoral substrate surface T. P. Crimes Thalassinoides tion trace fossils tracks trails Triassic trilobite tubes Univ Upper vertebrate vertical zone Zool Zoophycos