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Additional Information

Competing Interests

There are not competing interests as outlined in the Author Guidelines. Dana Ehret works for the state of Alabama. Jun Ebersole works for McWane Science Center, a non-profit 501(c)(3) organization.

Author Contributions

Dana J Ehret conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper, visits to private collections.

Jun A. Ebersole conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper, geologic review of Alabama, Historic review of paleontology collections.

Funding

The University of Alabama Museums (Tuscaloosa, AL) and the McWane Science Center (Birmingham, AL) provided funding for this project. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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