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Atlas
All Species
Geology
Echinodermata
Echinoidea
Spatangoida
Micrasteridae
Micrasteridae
Phylum:
Echinodermata
Class:
Echinoidea
Order:
Spatangoida
Family:
Micrasteridae
Genera of Micrasteridae present in the Cretaceous of the Western Interior Seaway
Micraster
