Reptilia - Diapsida - Trilophosauridae
Parent taxon: Archosauromorpha according to J. A. Spielmann et al. 2009
See also Benton 1985, Carroll 1988, Heckert et al. 2006, Kuhn 1966, Long and Murry 1995, Lucas and Hunt 1990, Mueller and Parker 2006, Olson 1960 and Skinner et al. 2020
Sister taxa: Aenigmastropheus, Arctosaurus, Chasmatosuchus vjushkovi, Crocopoda, Czatkowiella, Elessaurus, Exilisuchus, Exilisuchus tubercularis, Gwyneddosaurus, Helveticosauroidea, Jesairosaurus, Mecistotrachelos, Megalancosauridae, Ocolurtaia, Ocolurtaia arquata, Prolacertiformes, Protorosauria, Protorosaurus, Rhabdopelix longispinis, Tanystropheidae, Teraterpetidae, Teyujagua
Subtaxa: Spinosuchus Tricuspisaurus Variodens
Type: Trilophosaurus
Ecology:
Distribution:
• Triassic of Canada (2: Nova Scotia collections), Switzerland (1), the United Kingdom (3), United States (7: Arizona, Texas)
Total: 13 collections including 14 occurrences