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.
Keep going
Where next
Data from the Paleobiology Database (CC BY 4.0).