Hardouinia
Extinct genus of sea urchins
From Wikipedia, the free encyclopedia
Hardouinia is an extinct genus of echinoids that lived in the Late Cretaceous. Its remains have been found in North America.
| Hardouinia Temporal range: Late Cretaceous | |
|---|---|
| |
| Hardouinia florealis | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Cassiduloida |
| Genus: | †Hardouinia |
