Hypsilophodontidae
family · (Dollo 1882) · accepted · extinct
14 descendant taxa · 79 fossil sites · 44 formations · 17 countries
Lived when
Jurassic – Paleogene
168.2–66 million years ago
Found where
17 countries
44 rock formations
Fossil record
79 sites
4 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 102 million years, from 168.2 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.
- Hypsilophodontidae was named in 1882 ((Dollo 1882)) — 144 years ago.
- Fossils have been recorded in 17 countries and 44 named rock formations.
- 4 individual specimens are catalogued in museum collections.
- This group contains 14 named taxa, including 4 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).