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Atlas
All Species
Geology
Echinodermata
Echinoidea
Phymosomatoida
Phymosomatidae
Phymosoma
Phymosoma
Phylum:
Echinodermata
Class:
Echinoidea
Order:
Phymosomatoida
Family:
Phymosomatidae
Genus:
Phymosoma
Phymosoma
Species present in the Cretaceous of the Western Interior Seaway
Phymosoma volanum
