Opisthocomidae
family · Swainson 1837 · accepted · extant
10 descendant taxa · 4 fossil sites · 2 formations · 3 countries
Lived when
Paleogene – Neogene
37.71–10 million years ago
Found where
3 countries
2 rock formations
Fossil record
4 sites
0 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 28 million years, from 37.71 to 10 million years ago.
- The youngest known fossil is around 10 million years old — that is roughly 33 times further back than the whole of human history.
- Opisthocomidae was named in 1837 (Swainson 1837) — 189 years ago.
- Fossils have been recorded in 3 countries and 2 named rock formations.
- This group contains 10 named taxa, including 5 species.
- This group is not extinct — living birds belong inside it.
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Where next
Data from the Paleobiology Database (CC BY 4.0).