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Atlas
All Species
Geology
Echinodermata
Echinoidea
Spatangoida
Hemiasteridae
Mecaster
Mecaster
Phylum:
Echinodermata
Class:
Echinoidea
Order:
Spatangoida
Family:
Hemiasteridae
Genus:
Mecaster
Mecaster
Species present in the Cretaceous of the Western Interior Seaway
Mecaster batnensis
