Somphospondyli
unranked clade · Wilson and Sereno 1998 · accepted · extinct
364 descendant taxa · 922 fossil sites · 208 formations · 50 countries
Lived when
Jurassic – Paleogene
174.7–66 million years ago
Found where
50 countries
208 rock formations
Fossil record
922 sites
172 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 109 million years, from 174.7 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.
- Somphospondyli was named in 1998 (Wilson and Sereno 1998) — 28 years ago.
- Fossils have been recorded in 50 countries and 208 named rock formations.
- 172 individual specimens are catalogued in museum collections.
- This group contains 364 named taxa, including 165 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).