Fossil Worm Burrows Reveal Very Early Terrestrial Animal Activity and Shed Light on Trophic Resources after the End-Cretaceous Mass Extinction

Open Access

Peer-reviewed

Research Article

Karen Chin ,

* E-mail: Karen.Chin@colorado.edu

Affiliation Department of Geological Sciences and Museum of Natural History, University of Colorado Boulder, Boulder, Colorado, United States of America
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Dean Pearson,

Affiliation Pioneer Trails Regional Museum, Paleontology Department, Bowman, North Dakota, United States of America
⨯
A. A. Ekdale

Affiliation Department of Geology and Geophysics, University of Utah, Salt Lake City, Utah, United States of America
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Sediment
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Mud
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Paleocene epoch
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Earthworms
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Coal
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Cretaceous period
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Species extinction
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Paleozoology
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