Table 1 in The first report of Champsosaurus lindoei (Choristodera: Champsosauridae) from the Campanian of the United States: anatomical, phylogenetic, and palaeoecological significance

Table 1. Eight species of Champsosaurus from North America, their authors, synonyms, and identified formations, locations, and ages (Gao and Fox 1998). Abbreviation: Fm, Formation
TaxonAuthor(s)SynonymsFormationsLocationAgeC. lindoeiGao & Fox,n/aDinosaur Park Fm,AlbertaCampanian1998Two Medicine FmC. natatorParks, 1933C. profundus, C. brevicollis, C.Dinosaur Park FmAlbertaMiddle to Late Cam-inelegans, C. inflatus (Erickson 1972)panianC.Parks, 1927n/aHorseshoe Canyon FmAlbertaLatest Campanian toalbertensisEarliest MaastrichtianC.Brown,C. australis, C. puercensis, C.Hell Creek Fm, TullockMontana,Maastrichtian, Earlylaramiensis1905saponensis (Erickson 1972)Fm, Fort Union?North DakotaPalaeoceneC.Brown,n/aHell Creek Fm, TullockMontanaMaastrichtian, Earlyambulator1905Fm, Fort Union?PalaeoceneC. gigasErickson,n/aSentinel Butte Fm,Saskatchewan,Palaeocene1972Ravenscrag FmNorth DakotaC. tenuisErickson,n/aBullion Creek FmNorth DakotaPalaeocene1981C. norelliBrownstein,n/aPolecat Bench Forma-WyomingTiffanian2022tion