PaleoDB taxon number: 155323
Full reference: E. Hitchcock. 1862. Supplement to the Ichnology of New England. Proceedings of the American Academy of Arts and Sciences 6:84-95
Type specimen: AC 47/52, 55/1, a footprint. Its type locality is below Turners Falls, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone/shale in the Portland Formation of Massachusetts.