Hesperornis regalis
species · Marsh 1872 · accepted · extinct
20 fossil sites · 5 formations · 2 countries
Lived when
Cretaceous
89.8–72.2 million years ago
Found where
2 countries
5 rock formations
Fossil record
20 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 18 million years, from 89.8 to 72.2 million years ago.
- The youngest known fossil is around 72.2 million years old — that is roughly 241 times further back than the whole of human history.
- Hesperornis regalis was named in 1872 (Marsh 1872) — 154 years ago.
- Fossils have been recorded in 2 countries and 5 named rock formations.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).