Full reference: E. Hitchcock. 1845. An attempt to name, classify, and describe, the animals that made the fossil footmarks of New England. Sixth Annual Meeeting of the Association of American Geologists and Naturalists, New Haven, CT. Abstract and Proceedings 23-25
Parent taxon: Dinosauria according to R. S. Lull 1904
Sister taxa: Actiosaurus, Carnosauriformes, Cridotrisauropus, Dictyoolithidae, Dystrophaeidae, Geosauridae, Gyrotrisauropus, Harpagosauria, Harpedactylus, Herreravia, Lagunculapes, Nyasasaurus, Ornithischia, Ornithischiformes, Ornithoscelida, Paleodinosauria, Phytodinosauria, Prismatoolithidae, Rachitrema, Ravatosauropus, Saltosauropus, Saurischia, Sillimanius, Spondylosoma, Steropoides, Symphypoda, Tarsodactylus, Tarsoplectrus, Therosauria, Toyamasauripus, Tretospondylia, Xiphopeza, Youngoolithidae
Subtaxa: Polemarchus gigas
Type: Polemarchus gigas
Ecology: