Neostegosauria
unranked clade · Sánchez-Fenollosa and Cobos 2025 · accepted · extinct
30 descendant taxa · 164 fossil sites · 20 formations · 8 countries
Lived when
Jurassic – Cretaceous
168.2–93.9 million years ago
Found where
8 countries
20 rock formations
Fossil record
164 sites
60 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 74 million years, from 168.2 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.
- Neostegosauria was named in 2025 (Sánchez-Fenollosa and Cobos 2025) — 1 years ago.
- Fossils have been recorded in 8 countries and 20 named rock formations.
- 60 individual specimens are catalogued in museum collections.
- This group contains 30 named taxa, including 17 species.
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Where next
Data from the Paleobiology Database (CC BY 4.0).