Metriacanthosauridae
family · Carrano et al. 2012 · accepted · extinct
20 descendant taxa · 23 fossil sites · 13 formations · 7 countries
Lived when
Jurassic – Cretaceous
174.7–93.9 million years ago
Found where
7 countries
13 rock formations
Fossil record
23 sites
23 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 81 million years, from 174.7 to 93.9 million years ago.
- The youngest known fossil is around 93.9 million years old — that is roughly 313 times further back than the whole of human history.
- Metriacanthosauridae was named in 2012 (Carrano et al. 2012) — 14 years ago.
- Fossils have been recorded in 7 countries and 13 named rock formations.
- 23 individual specimens are catalogued in museum collections.
- This group contains 20 named taxa, including 11 species.
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Data from the Paleobiology Database (CC BY 4.0).