Palaeognathae
superorder · (Pycraft 1900) · accepted · extant
252 descendant taxa · 389 fossil sites · 75 formations · 45 countries
Lived when
Cretaceous – Quaternary
72.2–0 million years ago
Found where
45 countries
75 rock formations
Fossil record
389 sites
2 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 72 million years, from 72.2 to 0 million years ago.
- The youngest known fossil is around 0 million years old — that is roughly 0 times further back than the whole of human history.
- Palaeognathae was named in 1900 ((Pycraft 1900)) — 126 years ago.
- Fossils have been recorded in 45 countries and 75 named rock formations.
- 2 individual specimens are catalogued in museum collections.
- This group contains 252 named taxa, including 153 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).