Chionoidea
superfamily · Lesson 1828 · accepted · extant
4 descendant taxa · 5 fossil sites · 2 formations · 2 countries
Lived when
Paleogene – Neogene
27.3–15.9 million years ago
Found where
2 countries
2 rock formations
Fossil record
5 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 11 million years, from 27.3 to 15.9 million years ago.
- The youngest known fossil is around 15.9 million years old — that is roughly 53 times further back than the whole of human history.
- Chionoidea was named in 1828 (Lesson 1828) — 198 years ago.
- Fossils have been recorded in 2 countries and 2 named rock formations.
- This group contains 4 named taxa, including 2 species.
- This group is not extinct — living birds belong inside it.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).