Sillimanius gracilior Hitchcock 1841 (dinosaur)


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 R. S. Lull 1904

See also Hay 1902, Hitchcock 1841, Hitchcock 1843, Hitchcock 1845, Hitchcock 1848, Hitchcock 1871, Hitchcock 1889, Hitchcock 1898, Lull 1917 and Warren 1854

Sister taxa: Sillimanius tetradactylus, Ornithopus rectus, Ornithopus adamsanus

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.



• Jurassic of United States (2: Connecticut, Massachusetts collections)

Total: 2 collections including 3 occurrences

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Specimen images are retrieved through the ePANDDA API.

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