Polacanthidae
family · Wieland 1911 · accepted · extinct
4 fossil sites · 2 formations · 2 countries
Lived when
Cretaceous
143.1–113.2 million years ago
Found where
2 countries
2 rock formations
Fossil record
4 sites
0 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 30 million years, from 143.1 to 113.2 million years ago.
- The youngest known fossil is around 113.2 million years old — that is roughly 377 times further back than the whole of human history.
- Polacanthidae was named in 1911 (Wieland 1911) — 115 years ago.
- Fossils have been recorded in 2 countries and 2 named rock formations.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).