| 31. | Some Cambrian organisms ventured onto land, producing the trace fossils " Protichnites " and " Climactichnites ".
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| 32. | Perhaps the most spectacular trace fossils are the huge, three-toed footprints produced by dinosaurs and related archosaurs.
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| 33. | Some Cambrian trace fossils indicate that their makers possessed hard exoskeletons, although they were not necessarily mineralised.
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| 34. | Sometimes trace fossils have been referred to " Megalosaurus " or to the ichnogenus " Megalosauripus ".
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| 35. | The Ediacaran fossils of Southern Australia contain trace fossils, which indicate that there were motile benthic organisms.
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| 36. | Another way to classify trace fossils is to look at their relation to the sediment of origin.
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| 37. | Trace fossils of these Avalon organisms have been found worldwide, and represent the earliest known complex multicellular organisms.
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| 38. | Its type specimen is AMNH 6851, a maxilla ( rostrum ), and it is not a trace fossil.
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| 39. | Fossils from the formation include remains of dinosaurs, as well as bivalve shells, plant fossils, and trace fossils.
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| 40. | Aquatic trace fossils are also abundant.
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