†suborder Diatrymatiformes Hay 1930 (avialan)
Full reference: O. P. Hay. 1930. Second Bibliography and Catalogue of the Fossil Vertebrata of North America 390(II):1-1074
Parent taxon: Carinatae according to O. P. Hay 1930
Sister taxa: Anatiformes, Colymbiformes, Crateropteryx, Galliformes, Odontotormae, Tubinares
Subtaxa: none
Ecology: ground dwelling carnivore
Distribution: there are no occurrences of Diatrymatiformes in the database