Editing Struthioniformes (section)

== Taxonomy ==
After Mayr, and Zelenkov (2021)<ref name=":0">{{Cite journal |last1=Mayr |first1=Gerald |last2=Zelenkov |first2=Nikita |date=2021-11-13 |title=Extinct crane-like birds (Eogruidae and Ergilornithidae) from the Cenozoic of Central Asia are indeed ostrich precursors |url=https://academic.oup.com/auk/article/doi/10.1093/ornithology/ukab048/6338403 |journal=Ornithology |language=en |volume=138 |issue=4 |pages=ukab048 |doi=10.1093/ornithology/ukab048 |issn=0004-8038|doi-access=free }}</ref>

* [[Palaeotididae]] (Early mid-Eocene, Europe)
** ''[[Palaeotis]]''
** ''[[Galligeranoides]]''
* [[Geranoididae]] (Early-mid Eocene, North America)
* Unnamed clade
** [[Eogruidae]] (monotypic)
*** ''[[Eogrus]]'' (mid-Late Eocene, Asia)
** ''[[Sonogrus]]'' (late Eocene, Asia)
** Unnamed clade
*** ''[[Proergilornis]]'' (late Eocene, Mongolia)
*** Unnamed clade
**** [[Ergilornithidae]] (Late Eocene-Early Pliocene, Asia)
**** [[Struthionidae]] (Early Miocene-Recent, Afro-Eurasia)