Steropoides ingens Hitchcock 1836


Alternative combinations: Ornithichnites ingens, Ornithoidichnites ingens, Steropezoum ingens, Tridentipes ingens

Synonym: Sillimanius adamsanus Hitchcock 1845

Full reference: E. Hitchcock. 1836. Ornithichnology - description of the foot marks of birds, (Ornithichnites) on new Red Sandstone in Massachusetts. The American Journal of Science and Arts 29(2):307-340

Belongs to Steropoides according to R. S. Lull 1915

See also Buckland 1836, Girard 1846, Hay 1902, Hitchcock 1836, Hitchcock 1837, Hitchcock 1841, Hitchcock 1845, Hitchcock 1848, Hitchcock 1858, Hitchcock 1871, Hitchcock 1889, Hitchcock 1898, Kuhn 1963, Lull 1904, Lull 1917, Lyman 1894, Lyman 1895, Miller 1879, Quenstedt 1882 and Zittel 1890

Sister taxa: Steropoides diversus, Steropoides elegans, Steropoides infelix, Steropoides loripes, Steropoides uncus, Steropezoum elegantius

Type specimens:

  • Steropoides ingens: Its type locality is Horse Race Quarry, Gill, which is in a Hettangian/Sinemurian terrestrial sandstone/shale in the Portland Formation of Massachusetts
  • Sillimanius adamsanus:


• Jurassic of United States (3: Massachusetts collections)

• Triassic of United States (1: New Jersey)

Total: 4 collections including 6 occurrences

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Specimen images are retrieved through the ePANDDA API.

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