Protoceratopsidae
family · (Granger and Gregory 1923) · accepted · extinct
8 descendant taxa · 76 fossil sites · 8 formations · 3 countries
Lived when
Cretaceous – Paleogene
121.4–66 million years ago
Found where
3 countries
8 rock formations
Fossil record
76 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 55 million years, from 121.4 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.
- Protoceratopsidae was named in 1923 ((Granger and Gregory 1923)) — 103 years ago.
- Fossils have been recorded in 3 countries and 8 named rock formations.
- 2 individual specimens are catalogued in museum collections.
- This group contains 8 named taxa, including 4 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).