Synonym: Ornithoidichnites danae Hitchcock 1844
Full reference: E. Hitchcock. 1848. An attempt to discriminate and describe the animals that made the fossil footmarks of the United States, and especially of New England. Memoirs of the American Academy of Arts and Sciences, new series 3:129-256
- Ornithopus adamsanus: no. 125, a footprint. Its type locality is Montague City, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone in the Portland Formation of Massachusetts.
- Ornithoidichnites danae:
Distribution: found only at Montague City
Specimen images are retrieved through the ePANDDA API.
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