Grallator (Anchisauripus) minusculus Hitchcock 1837 (theropod)

Reptilia - Saurischia - Eubrontidae

Alternative combinations: Anchisauripus minisculus, Anchisauripus minuscolus, Anchisauripus minusculus, Brontozoum minusculum, Eubrontes minusculus, Grallator minusculus, Ornithichnites minusculus

Synonym: Plesiornis giganteus Hitchcock 1889

Full reference: E. Hitchcock. 1837. Fossil footsteps in sandstone and graywacke. The American Journal of Sciences and Arts 32:174-176

Belongs to Grallator (Anchisauripus) according to P. E. Olsen and P. M. Galton 1984

See also Baird 1957, Bessedik et al. 2008, Deane 1861, Demathieu 1993, Demathieu et al. 2002, Demathieu and Sciau 1992, Fujita et al. 2008, Gand et al. 2005, Gand et al. 2000, Gierlinski 1996, Haubold 1971, Hay 1902, Hitchcock 1837, Hitchcock 1858, Hitchcock 1871, Hitchcock 1889, Hitchcock 1898, Kuhn 1963, Lockley 1986, Lull 1904, Lull 1915, Lull 1917, Lull 1953, Lyman 1894, Moreau et al. 2017, Olsen 1980 and Young 1960

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 sillimani, 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, Anchisauripus milfordensis, Grallator (Anchisauripus) hitchcocki, Anchisauripus thomasi, Anchisauripus australis, Anchisauripus gwyneddensis, Anchisauripus bibractensis, Anchisauripus (Grallator), Anchisauripus exsertus

Type specimens:

  • Grallator (Anchisauripus) minusculus: AC 16/1, a footprint. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine shale/sandstone in the Turners Falls Formation of Massachusetts.
  • Plesiornis giganteus: Mount Holyoke College (destroyed), 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: ground dwelling carnivore


• Jurassic of France (3 collections), United States (8: Massachusetts)

• Triassic to Jurassic of France (1)

• Triassic of United States (2: New Jersey)

Total: 14 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.