Synonyms: Angelinornis antecessor Wetmore 1962, Colonosaurus mudgei Marsh 1872 [objective synonym], Graculavus agilis Marsh 1873, Graculavus anceps Marsh 1872, Ichthyornis agilis Marsh 1873, Ichthyornis anceps Marsh 1872, Ichthyornis antecessor Wetmore 1962, Ichthyornis validus Marsh 1880, Ichthyornis victor Marsh 1876, Plegadornis anteccessor Wetmore 1962, Plegadornis antecessor Wetmore 1962
Full reference: O. C. Marsh. 1872. Notice of a new and remarkable fossil bird. The American Journal of Science and Arts, series 3 4(19-24):344
Belongs to Ichthyornis according to J. Benito et al. 2022
See also Brodkorb 1971, Chatterjee 1991, Chiappe 2002, Clarke 2004, Gingerich 1972, Hay 1902, Hay 1930, Lambrecht 1933, Marsh 1872, Marsh 1872, Marsh 1872, Marsh 1873, Marsh 1873, Marsh 1873, Marsh 1880, Marsh 1897, Martin and Stewart 1977, Olson 1975, Padian 2004, Parris and Echols 1992, Shufeldt 1915, Swinton 1934, Thurmond and Jones 1981, Turner et al. 2011, Walker 1967, Wetmore 1940, Wetmore 1956, Wetmore 1960, Wetmore 1962 and Zittel 1890
Sister taxon: Ichthyornis minusculus
Type specimens:
- Ichthyornis dispar: YPM 1450, a partial skeleton (vertebrae, wings and legs). Its type locality is Bow Creek; Sugar Bowl Mound, which is in a Santonian marine chalk in the Niobrara Formation of Kansas.
- Colonosaurus mudgei: Its type locality is Bow Creek; Sugar Bowl Mound, which is in a Santonian marine chalk in the Niobrara Formation of Kansas.
- Ichthyornis agilis: YPM 1209, a limb element (proximal left carpometacarpus lacking metacarpal I).
- Ichthyornis anceps: YPM 1208, a limb element (distal end, left metatarsal).
- Ichthyornis antecessor: USNM 22820, a set of limb elements (left distal humerus). Its type locality is Hewlett Farm, which is in a Santonian/Campanian carbonate limestone in the Mooreville Chalk Formation of Alabama.
- Ichthyornis validus: YPM 1740, a limb element (right ulna).
- Ichthyornis victor: YPM 1452, a set of limb elements (proximal right coracoid, proximal right scapula, and three fragments of a poorly preserved left humerus).
Ecology: volant piscivore
Distribution:
• Cretaceous of Mexico (1 collection), United States (24: Alabama, Kansas, Texas)
Total: 25 collections including 26 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.