Hesperornis
genus · Marsh 1872 · accepted · extinct
11 descendant taxa · 65 fossil sites · 15 formations · 4 countries
Lived when
Cretaceous – Paleogene
100.5–66 million years ago
Found where
4 countries
15 rock formations
Fossil record
65 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).