Ichthyornithes is an extinct group of toothed avialan dinosaurs very closely related to the common ancestor of all modern birds. They are known from fossil...

called the Odontornithes (or "toothed birds"), and in the new order Ichthyornithes (later Ichthyornithiformes). The only other bird Marsh included in these...

Maastrichtian. Several archaic clades of birds, such as Enantiornithes, Ichthyornithes, and Hesperornithes, persisted to the latest Maastrichtian but became...

†Gargantuavis? †Guildavis †Iaceornis †Kookne †Limenavis †Qinornis †Tingmiatornis †Hesperornithes †Ichthyornithes †Vegaviidae †Cimolopterygidae Aves (modern birds)...

Subclass Hesperornithes (toothed aquatic flightless birds) Subclass Ichthyornithes (toothed, but otherwise modern birds) Subclass Neornithes (all living...

†Gallornis †Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes †Vegaviidae Australornis? Maaqwi...

†Gallornis †Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes †Vegaviidae Australornis? Maaqwi...

†Gallornis †Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes †Vegaviidae Australornis? Maaqwi...

†Gallornis †Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes †Vegaviidae Australornis? Maaqwi...

†Gallornis †Guildavis †Iaceornis †Kookne †Limenavis †Tingmiatornis †Ichthyornithes Ichthyornis Janavis †Hesperornithes †Vegaviidae Australornis? Maaqwi...