Northernmost global record for Multituberculata from the Eocene of Ellesmere Island, Arctic Canada

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ACKNOWLEDGMENTS

It is a pleasure to acknowledge J. Howard Hutchison, who found the type locality for Ectypodus arctos, and Robert M. West, who assisted Dawson during the field work that led to recovery of the holotype. We also thank Jaelyn J. Eberle for facilitating our access to the holotype of Ectypodus arctos and David W. Krause for generously providing us with his insights regarding neoplagiaulacid systematics. The logistical support of the Polar Continental Shelf Project, Canadian Department of Energy, Mines, and Resources, is gratefully acknowledged. Financial support for field work was provided by the Committee for Research and Exploration, National Geographic Society. Pauline Coster provided technical assistance with scanning electron microscopy, and Mark Klingler skillfully produced the figures.