Prehistoric Ornithurae Extinct, ancestrial Ornithurae including the Liaoningornithiformes, Chaoyangiiformes, Hesperornithiformes, Ambiortiformes, Ichthyornithiformes, and Apatornithidae.
(Taxonomic Rank: Genus)

(Click on Images to View Information & Collectibles)
	Ambiortus   Family: Ambiortidae Apatornis   Family: Apatornithidae Asiahesperornis   Order: Hesperornithiformes Baptornis   Family: Baptornithidae Chaoyangia   Family: Chaoyangiidae Coniornis   Family: Hesperornithidae Enaliornis   Family: Enaliornithidae Gargantuavis   Genus: Prehistoric Ornithurae Hesperornis   Family: Hesperornithidae Horezmavis   Genus: Prehistoric Ornithurae Ichthyornis   Family: Ichthyornithidae Judinornis   Order: Hesperornithiformes Liaoningornis   Family: Liaoningornithidae Limenavis   Genus: Prehistoric Ornithurae Parahesperornis   Order: Hesperornithiformes Pasquiaornis   Order: Hesperornithiformes Potamornis   Order: Hesperornithiformes Songlingornis   Family: Chaoyangiidae
= Extinct Life Forms   = Living Creatures   = Fictional Beasts   = Inanimate Objects   = Ethereal Entities