Baptornithidae
Saurischia | Theropoda | Tetanurae | Coelurosauria | Maniraptora | Avialae | Ornithothoraces | Ornithurae | Hesperonithiformes [Baptornithidae]
Cretaceous Late Canada
| Pasquiaornis hardiei | Ashville Formation |
| Pasquiaornis tankei | Ashville Formation |
Cretaceous Late US
| Baptornis advenus | Niobrara Chalk Formation |
Cretaceous Late Mongolia
| Judinornis nogontsavensis | Nemegt Formation |