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Echinodermata
Echinoidea
Cassiduloida

Cassiduloida

Cassiduloida

Phylum: Echinodermata
Class: Echinoidea
Order: Cassiduloida

Families of Cassiduloida present in the Cretaceous of the Western Interior Seaway

Cassidulidae

Cassidulidae

Nucleolitidae

Nucleolitidae

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Funding for development and construction of this webpage was provided by the National Science Foundation (DBI 1645520). The Cretaceous Atlas of Ancient Life is one component of the overarching Digital Atlas of Ancient Life project.

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