still in use for an oogenus of fossil bird eggs. Also, other animals (in particular pterosaurs) were placed in these "genera". In sources pre-dating the...

classification List of birds List of bird genera List of dinosaur ichnogenera List of fossil bird genera List of informally named dinosaurs List of ichthyosaur...

Holocene List of dinosaur genera List of fossil bird genera List of Late Quaternary prehistoric bird species List of fossil primates Lists of prehistoric...

flocks of geese graze crops in the winter.[citation needed] List of recently extinct birds Late Quaternary prehistoric birds List of fossil bird genera Wikimedia...

of prehistoric animals: List of prehistoric amphibian genera List of prehistoric mammals List of fossil bird genera List of crurotarsan genera List of...

Lists of birds by region Extinct birds List of recently extinct bird species List of Late Quaternary prehistoric bird species List of fossil bird genera List...

of chicken eggs and the yolks are roughly four times as massive. List of recently extinct birds Late Quaternary prehistoric birds List of fossil bird...

subspecies of the spotted towhee. Bird extinction Dinosaur Flightless bird Holocene extinction Lazarus taxon List of bird extinctions by year List of fossil bird...

Dictionary of Scientific Bird Names. London: Christopher Helm. p. 54. ISBN 978-1-4081-2501-4. Gray, George Robert (1840). A List of the Genera of Birds : with...

Allen, J.A. (1910). "Collation of Brisson's genera of birds with those of Linnaeus". Bulletin of the American Museum of Natural History. 28: 317–335. hdl:2246/678...

in zoos. Flightless bird List of fossil bird genera List of Late Quaternary prehistoric bird species List of recently extinct bird species This designation...

Paleontology portal History of science portal This list of fossil arthropods described in 2018 is a list of new taxa of trilobites, fossil insects, crustaceans...

living fossil is an extant taxon that phenotypically resembles related species known only from the fossil record. To be considered a living fossil, the...

Dictionary of Scientific Bird Names. London: Christopher Helm. p. 294. ISBN 978-1-4081-2501-4. Peters, James Lee, ed. (1934). Check-List of Birds of the World...

extant species of penguins recognised by the International Ornithologists' Union, distributed among six genera. Many species of fossil penguins are known...

Elephant birds are extinct flightless birds belonging to the order Aepyornithiformes that were native to the island of Madagascar. They are thought to...

Ornimegalonyx List of Late Quaternary prehistoric bird species List of extinct bird species since 1500 List of fossil bird genera List of extinct animals...

diving birds (both living and extinct) – already adapting to underwater locomotion. Perudyptes from northern Peru was dated to 42 mya. An unnamed fossil from...

Icterus turmalis (Peru) List of extinct bird species since 1500 List of fossil bird genera Lists of extinct species Flightless bird Holocene extinction event...

currently described. Valenticarbo List of fossil bird genera Mayr, Gerald (April 21, 2009). Paleogene Fossil Birds. Berlin: Springer. pp. 65–67. ISBN 978-3-540-89627-2...

This list of pterosaurs is a comprehensive listing of all genera that have ever been included in the order Pterosauria, excluding purely vernacular terms...

since 1500 List of Late Quaternary prehistoric bird species List of fossil bird genera "Anatidae". aviansystematics.org. The Trust for Avian Systematics...

divided into four genera. The number of species is a matter of debate. The IUCN and BirdLife International recognise 22 extant species (listed below), ITIS...

genus-level phylogeny of the family. As per the IOU, the IUCN Red List and BirdLife International, the family contains 7 genera: Prior to 2021, the IOU...

epoch of geologic time to which the fossils date. Genera that are invalid, misidentified, or otherwise do not represent a valid Mesozoic bird are listed as...

fourth edition of the Howard and Moore Complete Checklist of the Birds of the World chose to split up Emberiza and recognise the genera Fringillaria, Melophus...

Gray, George Robert (1841). A List of the Genera of Birds : with their Synonyma and an Indication of the Typical Species of Each Genus (2nd ed.). London:...

(Late Oligocene). Most extant genera are known to exist since the Late Miocene or Early Pliocene (about 5 Mya). Miocene fossils have been found in both California...

Check-list of Birds of the World. Vol. 11. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 56. Gray, George Robert (1840). A List of the Genera...

period in which many modern genera of birds became recognizable in the fossil record. As of 2021, the oldest falconid fossil is estimated to be 55 million...