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Journal of Paleontology

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NEW FLAT-BACKED ARCHIPOLYPODAN MILLIPEDES FROM THE UPPER DEVONIAN OF NORTH AMERICA

¹ Department of Geology and Geophysics, Kline Geology Laboratory, Yale University, P.O. Box 208109, New Haven, Connecticut 06520, <heather.wilson{at}yale.edu>,
² The Academy of Natural Sciences, 1900 Benjamin Franklin Parkway, Philadelphia, Pennsylvania 19103, <daeschler{at}acnatsci.org>,
³ Parc de Miguasha, 231 Miguasha Ouest, Case postale 183, Nouvelle, Québec GOC 2E0, Canada, <desbiens.sylvain{at}sepaq.com>

Two new flat-backed archipolypodan millipede taxa, Orsadesmus rubecollus n. gen. and sp. and Zanclodesmus willetti n. gen. and sp., are described from the Upper Devonian of Clinton County, Pennsylvania, and Miguasha, Québec, respectively. These new taxa are placed in the new family Zanclodesmidae within the order Archidesmida. Archidesmida have previously only been described from the United Kingdom, and their presence in North America confirms a geographic continuum in the millipede fauna across the Old Red Sandstone Continent during the Devonian.