Alternative combinations: Ornithoidichnites gracilior, Ornithopus gracilior, Ornithopus gracilis
Full reference: E. Hitchcock. 1841. Final Report on the Geology of Massachusetts xii-831
Belongs to Sillimanius according to H. Haubold 1971
See also Hay 1902, Hay 1930, Hitchcock 1841, Hitchcock 1843, Hitchcock 1845, Hitchcock 1848, Hitchcock 1871, Hitchcock 1889, Hitchcock 1898, Hitchcock and Grier 1927, Lull 1904, Lull 1917 and Warren 1854
Sister taxa: Sillimanius tetradactylus, Ornithopus rectus, Ornithopus adamsanus, Ornithopus fabrei
Type specimen: AC 31/75, a footprint. Its type locality is The Cove, Wethersfield, which is in a Hettangian/Sinemurian fluvial-lacustrine shale in the Portland Formation of Connecticut.
Ecology:
Distribution:
• Jurassic of United States (2: Connecticut, Massachusetts collections)
Total: 2 collections including 3 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.