Heterodiaderma Fossil Sea Urchins
A living sea urchin
A Division
of Western Fossils,
Operated by Robert Drachuk
Operated by Robert Drachuk
Heterodiaderma
lybicum Echinoid (Sea Urchin) Fossil
Phylum Echinodermata ; Class Echinoidea
Cretaceous
Cenomanian, Morocco
