Anchitheriomys Roger, 1898 or Amblycastor Matthew, 1918 (Rodentia, Castoridae)? Taxonomic implications of a mandible from the Miocene of Florida

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ACKNOWLEDGMENTS

We are indebted to A. Kerner (Orlando), who generously donated this important specimen to the Florida Museum of Natural History and provided us with what information was available regarding its provenance. We also want to thank H. Furrer (PIMUZ) and A. Liebau (GPIT) for loans of material in their care. The photos were kindly made by G. Oleschinski (IPB) and the figure by J. Herbozo (NRM). The helpful comments of the editor J. Mead (East Tennessee State University) and of the referees are acknowledged.