Cassiduloida

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Translingual[edit]

Cassidulus mitis, one of the Cassiduloida

Etymology[edit]

Cassidulus +‎ -ida

Proper noun[edit]

Cassiduloida

  1. A taxonomic order within the class Echinoidea – certain sea urchins, most extinct since the Mesozoic.

Hypernyms[edit]

Hyponyms[edit]

References[edit]