Phaceloolithidae
family · Zeng and Zhang 1979 · accepted · extinct
11 descendant taxa · 25 fossil sites · 12 formations · 3 countries
Lived when
Cretaceous – Paleogene
143.1–66 million years ago
Found where
3 countries
12 rock formations
Fossil record
25 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 77 million years, from 143.1 to 66 million years ago.
- The youngest known fossil is around 66 million years old — that is roughly 220 times further back than the whole of human history.
- Phaceloolithidae was named in 1979 (Zeng and Zhang 1979) — 47 years ago.
- Fossils have been recorded in 3 countries and 12 named rock formations.
- This group contains 11 named taxa, including 9 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).