Therizinosauridae
family · Maleev 1954 · accepted · extinct
26 descendant taxa · 31 fossil sites · 17 formations · 8 countries
Lived when
Jurassic – Paleogene
201.4–66 million years ago
Found where
8 countries
17 rock formations
Fossil record
31 sites
38 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 135 million years, from 201.4 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.
- Therizinosauridae was named in 1954 (Maleev 1954) — 72 years ago.
- Fossils have been recorded in 8 countries and 17 named rock formations.
- 38 individual specimens are catalogued in museum collections.
- This group contains 26 named taxa, including 14 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).