Reptilia - Dinosauria - Grallatoridae

Alternative combinations: Aethyopus lyellianus, Amblonyx lyellianus, Fulicopus lyellianus, Ornithoidichnites lyellii

Belongs to Eubrontes according to E. C. Rainforth 2007

Sister taxa: Eubrontes (Brontozoum), Eubrontes (Ichnites), Eubrontes (Ornithichnites), Eubrontes approximatus, Eubrontes cursorius, Eubrontes euskelosauroides, Eubrontes fieldi, Eubrontes giganteus, Eubrontes glenrosensis, Eubrontes sillimani, Eubrontes tuberatus, Eubrontes veillonensis, Grallator (Eubrontes) divaricatus, Grallator (Eubrontes) platypus, Brontozoum expansum, Brontozoum thianschanicum, Grallator emeiensis, Grallator (Grallator), Grallator damanei, Grallator matsiengensis, Grallator molapoi, Grallator graciosus, Grallator rectilineus, Grallator minor, Grallator crassidigitus, Grallator palmipes, Grallator palustris, Grallator lambereshei, Grallator morijensis, Grallator moshoeshoei, Grallator princeps, Grallator limnosus, Grallator cuneatus, Grallator formosus, Grallator gracilis, Grallator sulcatus, Grallator tenuis, Grallator maximus, Grallator olonensis, Grallator variabilis, Grallator (Anchisauripus) hitchcocki, Grallator (Anchisauripus) minusculus, Anchisauripus tuberosus, Anchisauripus australis, Anchisauripus exsertus, Anchisauripus gwyneddensis, Anchisauripus minor, Anchisauripus milfordensis, Anchisauripus poolei, Anchisauripus bibractensis, Anchisauripus thomasi, Fulicopus minor, Gigandipus caudatus, Otouphepus declivis

Type specimen: AC 1/1, 1/7, 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.

Ecology: ground dwelling carnivore