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Harpedactylus gracilior Hitchcock 1862 (dinosaur)

Reptilia

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

Belongs to Harpedactylus according to O. P. Hay 1930

Sister taxa: Harpedactylus crassus, Harpedactylus tenuissimus

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.

Ecology: