DescriptionStratigraphic ranges of mammals from the Gray Fossil Site, TN.jpg
English: Stratigraphic ranges of selected mammals from the Gray Fossil Site in Tennessee.
The black bars indicate stratigraphic ranges of genera and species based on first and last appearance dates. Overlap in ranges of taxa, between 4.9 and 4.5 Ma, is highlighted with a gray bar. This method of relative dating narrows down the estimated age of the Gray Fossil Site. Image from Samuels et al. 2018.
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Uploaded a work by Joshua X. Samuels, Keila E. Bredehoeft, and Steven C. Wallace from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5910791/ with UploadWizard
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