Eubrontes sillimani Hitchcock 1843 (theropod)

Reptilia - Saurischia - Eubrontidae

Alternative combinations: Anchisauripus (Grallator) sillimani, Anchisauripus sillimani, Brontozoum sillimani, Brontozoum sillimanium, Grallator (Anchisauripus) sillimani, Grallator sillimani, Ornithoidichnites sillimani, Ornithoidichnites sillimanii

Synonyms: Anchisauripus dananus Hitchcock 1845, Eubrontes dananus Hitchcock 1845, Ornithichnites cuneatus Hitchcock 1837, Ornithoidichnites cuneatus Hitchcock 1837

Full reference: E. Hitchcock. 1843. Description of five new specie of fossil footmarks, from the red sandstone of the valley of the Connecticut River. Reports of the First, Second, and Third Meetings of the Association of American Geologists and Naturalists 1843:254-264

Belongs to Eubrontes according to E. C. Rainforth 2007

See also Anonymous 1937, Anonymous 1937, Baird 1954, Baird 1957, Bock 1952, Cushman 1904, Deane 1861, Demathieu 1970, Demathieu and Haubold 1974, Gallagher and Hanczaryk 2006, Gand et al. 2000, Haubold 1969, Haubold 1971, Hay 1902, Hay 1910, Hitchcock 1837, Hitchcock 1841, Hitchcock 1843, Hitchcock 1844, Hitchcock 1845, Hitchcock 1847, Hitchcock 1848, Hitchcock 1871, Hitchcock 1889, Hitchcock 1898, Hunt and Lucas 2006, Hunt and Lucas 2007, Kuhn 1963, Lull 1904, Lull 1915, Lull 1917, Lull 1953, Lyman 1894, Miller 1879, Nelson 1965, Niedźwiedzki 2011, Olsen 1981, Olsen and Galton 1984, Olsen et al. 1998, Quenstedt 1882, Thulborn and Wade 1984, Warren 1854 and Weems 2006

Sister taxa: Eubrontes (Brontozoum), Eubrontes (Grallator), Eubrontes (Ichnites), Eubrontes (Ornithichnites), Eubrontes cursorius, Eubrontes fieldi, Eubrontes giganteus, Eubrontes glenrosensis, Eubrontes lyellii, Eubrontes monax, Eubrontes pareschequier, Eubrontes platypus, Eubrontes tuberatus, Eubrontes veillonensis, Eubrontes xiyangensis, Eubrontes zigongensis, Grallator (Eubrontes) divaricatus, Otouphepus declivis, Anchisauripus (Otouphepus) minor, Brontozoum expansum, Brontozoum thianschanicum, Brontozoum isodactylum, Grallator angustidigitus, Grallator cuneatus, Grallator morijensis, Grallator leribeensis, Grallator formosus, Grallator sulcatus, Grallator tenuis, Grallator palustris, Grallator rapidus, Grallator graciosus, Grallator moshoeshoei, Grallator variabilis, Grallator olonensis, Grallator crassidigitus, Grallator sauclierensis, Grallator microiscus, Grallator wuhuangensis, Grallator maximus, Grallator (Grallator), Grallator limosus, Grallator yemiaoxiensis, Grallator minor, Grallator gracilis, Grallator lacunensis, Grallator matsiengensis, Grallator deambulator, Grallator emeiensis, Grallator mokanametsongensis, Grallator rectilineus, Grallator lescurei, Grallator limnosus, Grallator socialis, Grallator magnificus, Grallator princeps, Grallator andeolensis, Grallator minimus, Grallator digitigradus, Grallator damanei, Grallator ssatoi, Grallator molapoi, Grallator lambereshei, Grallator pingchuanensis, Agialopous wyomingensis, Prototrisauropus deambulator, Prototrisauropus gardonensis, Plastisauropus ingens, Platysauropus robustus, Fulicopus minor, Deuterotrisauropus deambulator, Gigandipus hei, Gigandipus minor, Gigandipus caudatus, Anchisauripus tuberosus, Anchisauripus poolei, Grallator (Anchisauripus) minusculus, Anchisauripus milfordensis, Grallator (Anchisauripus) hitchcocki, Anchisauripus thomasi, Anchisauripus australis, Anchisauripus gwyneddensis, Anchisauripus bibractensis, Anchisauripus (Grallator), Anchisauripus exsertus

Type specimens:

  • Eubrontes sillimani: AC 9/14, a footprint. Its type locality is quarry west of Middletown, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone/shale in the Portland Formation of Connecticut.
  • Anchisauripus dananus: AC 9/14, a footprint. Its type locality is quarry west of Middletown, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone/shale in the Portland Formation of Connecticut.
  • Ornithichnites cuneatus: Its type locality is Dickinson's Quarry, South Hadley, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone in the Portland Formation of Massachusetts.

Ecology: ground dwelling carnivore


• Jurassic of Canada (3: Nova Scotia collections), United States (21: Connecticut, Massachusetts)

• Triassic of United States (8: New Jersey, New Mexico, Pennsylvania, Utah)

Total: 32 collections including 33 occurrences

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Specimen images are retrieved through the ePANDDA API.

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