Geranoididae

Geranoididae; Temporal range:
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Infraclass:	Palaeognathae
Family:	†Geranoididae; Wetmore, 1933
Genera
	†Eogenaroides; †Galligeranoides?; †Geranodornis; †Geranoides; †Palaeophasianus; †Paragrus;

Geranoididae is a clade of extinct birds from the early to late Eocene and possibly early Oligocene of North America and Europe. These were mid-sized, long-legged flightless birds.^[1]^[2]^[3]^[4]^[5] Recent research shows that these birds may actually be palaeognaths related to ostriches.^[6]

^ Cracraft, Joel (August 27, 1969). "Systematics and evolution of the Gruiformes (Class, Aves). 1. The Eocene family Geranoididae and the early history of the Gruiformes". American Museum Novitates (2388): 1–41. hdl:2246/2598.
^ Cracraft, Joel (1973). "Systematics and evolution of the Gruiformes (Class Aves). 3. Phylogeny of the suborder Grues". Bulletin of the American Museum of Natural History. 151: 1–127. hdl:2246/597.
^ Bourdon, Estelle; Mourer-Chauviré, Cécile; Laurent, Yves (2016). "Early Eocene birds from La Borie, southern France". Acta Palaeontologica Polonica. 61 (1): 175–190. doi:10.4202/app.00083.2014.
^ Mayr, Gerald (2016). "On the taxonomy and osteology of the Early Eocene North American Geranoididae (Aves, Gruoidea)". Swiss Journal of Palaeontology. 135 (2): 315–325. Bibcode:2016SwJP..135..315M. doi:10.1007/s13358-016-0117-2. S2CID 87692869.
^ Gerald Mayr (2009). Paleogene Fossil Birds
^ Cite error: The named reference APP2019 was invoked but never defined (see the help page).